I just purchased a polk audio psw10 subwoofer and a pair of sony ss-b3000 bookshelf speakers and will need an amp to power them. Sonys are 120W, 8ohm, 88db sensitivity. Ppolk sub is rms 50W Does anyone have a recommendation of an amp to use, basically for as low a price as possible. Thanks!

Arg, I just typed a long post and then had my browser crash saving nothing, so I may shorten this one:   I am currently looking for an over/on ear set of headphones to replace my turbines. I listen to rap, rock(metal such as trivium), electronic, a bit of dubstep, and a very small (but...