Monitor 10 replacement drivers?

Hey Polk folks.
I'm on my second pair of Goodwill Polks. First pair I got a little over a year ago are S8's. They are great, best speakers I'd owned to date. But then a few days ago I found a pair of Monitor 10's out behind Goodwill- they were about to send them off to the dump or whatever. They were in less than mint condition- all four drivers and both passive radiators had at least one ugly puncture in them. And someone had scrawled "don't work" on the sides of the cabinets. But I asked them if they could sell them to me anyway, and they said yes- $15 bucks. I didn't have time to test them out, but I decided to take a chance on them. The more I read up on them the more excited I got about their potential. But I assumed that they wouldn't work to start with. Well, I was wrong. To my astonishment, even in their awful condition they sound better than the S8's! They're blowing me away. However, that doesn't put me off of my plan to refurbish them:-) So:
My main questions for now are what drivers I should look for to replace these 6503's? And what tweeters would I want if I decide to upgrade at some point?
Oh, the serial number is 10 161414. No A or B designation. (what does that say about which ones they are, and what years would they have been sold?)
I may have more questions later.
And any other advice would be welcome too.
(for what it's worth, I'm not interested in messing with the crossovers at this point. I'm not sure I have the time or expertise to get into that.)
So anyway, that's my story, thanks for reading and thanks in advance for any advice you can give.
I'm on my second pair of Goodwill Polks. First pair I got a little over a year ago are S8's. They are great, best speakers I'd owned to date. But then a few days ago I found a pair of Monitor 10's out behind Goodwill- they were about to send them off to the dump or whatever. They were in less than mint condition- all four drivers and both passive radiators had at least one ugly puncture in them. And someone had scrawled "don't work" on the sides of the cabinets. But I asked them if they could sell them to me anyway, and they said yes- $15 bucks. I didn't have time to test them out, but I decided to take a chance on them. The more I read up on them the more excited I got about their potential. But I assumed that they wouldn't work to start with. Well, I was wrong. To my astonishment, even in their awful condition they sound better than the S8's! They're blowing me away. However, that doesn't put me off of my plan to refurbish them:-) So:
My main questions for now are what drivers I should look for to replace these 6503's? And what tweeters would I want if I decide to upgrade at some point?
Oh, the serial number is 10 161414. No A or B designation. (what does that say about which ones they are, and what years would they have been sold?)
I may have more questions later.

And any other advice would be welcome too.
(for what it's worth, I'm not interested in messing with the crossovers at this point. I'm not sure I have the time or expertise to get into that.)
So anyway, that's my story, thanks for reading and thanks in advance for any advice you can give.
Comments
That photo just makes me sad...: (
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
http://pages.ebay.com/link/?nav=item.view&alt=web&id=191475890021
Nice find, those should get you started in the right direction. Good luck
http://www.ebay.com/itm/Pair-Vintage-POLK-AUDIO-SW-100-10-Passive-Radiators-from-Monitor-M10-Speakers-/181645163085?pt=LH_DefaultDomain_0&hash=item2a4ae53a4d
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"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
What mid-woofers are in your Monitor 10's? If you remove them, there should be a sticker on the back with the number (MW-65??)? I have a MW6500 and a MW6502 available if you need either.
http://forum.polkaudio.com/discussion/164440/mw6500-and-mw6502
Those are some pretty cool looking S8's.
Stan
Main 2ch:
Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.
HT:
Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW10 (DXi104 upgrade), Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60
Other stuff:
Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7; Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
Know what's weird though? They both have the same damage pattern- one woofer torn to shreds, one woofer with only one puncture, and a similar level of damage to the PRS. And none to the tweeters.
My woofers are 6503's. But I understand that the 6500's are equivalent, so I'll definitely take that one if you still have it once I have $30 to spare. Which will probably be around a week.
Thanks for the compliment on the S8's. I'm quite happy with the look myself. Now I'm trying to come up with a good color scheme for the 10's... I almost want to do the same thing, but I like variety...
The closest to the 6503 is the 6510, but I strongly recommend you replace with the same.
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
Taken from a recent Audioholics reply regarding "Club Polk" and Polk speakers:
"I'm yet to hear a Polk speaker that merits more than a sentence and 60 seconds discussion."
My response is: If you need 60 seconds to respond in one sentence, you probably should't be evaluating Polk speakers.....
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Si
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Surrounds & Rears: Custom Built forum.polkaudio.com/discussion/151647/my-surround-project/p1
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http://www.ebay.com/itm/181656291428?_trksid=p2055119.m1438.l2649&ssPageName=STRK:MEBIDX:IT
But since I wasnt: do you want to sell your clones?
epo - hear you on things being relatively expensive. I'm on the opposite coast and I swear, around here, it seems like people want double for maybe just average condition. and they call it very good to excellent. I read about some of the deals people get elsewhere and it can be maddening. I have to drive 3-6hrs for most anything decent.
re: the speaker damage... yeah, what drummin and others said - that's just tragic. hope you get 'em set up to your liking!
Other; S60'S, M10 series II, M7C's, Hafler XL600 amp, RB-980BX, Parasound HCA-1500 amp , P5 preamp, all in storage. All vintage Polk have had crossover rebuilds and tweeter upgrades.
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tonyb said " but even socialists can do a good thing here and there
the substitution of politics for existence is the supreme betrayal of the subjective otherness of man.
Part of my question was answered with a simple google search. The MW-6503 is an 8 Ohm speaker, and the MW-6502 is a 4 Ohm Speaker.