Terzaghi, concerning the $50 processor upgrade... if the only difference between the two chips is .16 ghz, save your money. I'm surprised it's even being called an upgrade! The difference is miniscule. You'd never notice any difference in real world use.

Epic 80 / SVS PB13 Ultra
Denon 3805 / M2200 Outlaw Monos /
Sammy 55" LED