Well the good news is, there are a lot of nice receivers to choose from, the bad news is, There are a lot
of nice receivers to choose from!
I have the 3808ci Denon & I like it but I have heard good things about the Yamahas too.
Check out this post on the Denon 3808ci
, I explain my reasons for choosing it in that thread.
The best thing you can do is to listen to as many of these as you can, take your own music & movies so you can compare them all to content you are familiar with.