Can't beat Onkyo. I've had my 905 for 2 years, and absolutely love it.
They can be a bit pricey, but you get what you pay for.
The newer models all get great reviews.
The TX-SR707 is a great entry level. I think they run around $900.
http://www.us.onkyo.com/model.cfm?m=...s=Receiver&p=i