What do I get

I have a denson 750 7.2 surround sound showing up sometime this week I currently use A S35 center and NHL rears wanting to get new fronts tower speakers been looking at monitor 70 &60 Also looking at TSI 400 or 500 which is way at the top of my budget or the S55 Xe been looking for about 2 weeks lots of reading not sure what to do if u can help that would be great thanks so much

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