Used NAD 272 or 270 would be good choices
Rotels are pretty good, but not as musical as the NAD in my book
Also:
Emotiva Audio XPA-2 $799
http://emotiva.com/xpa2.shtm
Model 2200 Monoblock Power Amplifier $350 per channel
http://www.outlawaudio.com/products/2200.html
Anything you can afford used from Naim
Rotels are pretty good, but not as musical as the NAD in my book
Also:
Emotiva Audio XPA-2 $799
http://emotiva.com/xpa2.shtm
Model 2200 Monoblock Power Amplifier $350 per channel
http://www.outlawaudio.com/products/2200.html
Anything you can afford used from Naim