To spike or not to spike

So I have recently purchased a set of SDA 1C's and I have read a few different boards that have advised removing the base and spiking the speakers. That sounds like a good idea except i have hardwood floors. Even with the spikes resting on say a quarter, will I see much of an audible difference vs. the wood on wood contact I currently have with the original stands? On a separate note since joining the Polk forum I have been amazed by the support and knowledge here. Also, a special shout-out to David (westmassguy) as he has basically held my hand through the upgrading process (upgraded crossovers, interconnect, Dimensional (Sub Bass Drive) Inductors, and binding posts are in the works as we speak!!! :)
Polk SDA 1C Upgraded, Eastern Electric Minimax Supreme DAC, Parasound HCA 1200ii, Belles 21a Preamp, Rotel RSX-1056, Matricom G Box Q, Blue Jean & Signal Cable interconnects, Sonographe SG-3 TT, Panamax M4300-PM

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