There isn't a definitive answer to your question....there is only the best partnership that suits your taste. For me, that would be the Arcam AVR400, or even better, the AVR600.....but that's because I place the ability to handle 2 channel music above all else.
If AV has a greater priority for you, and you want a more "exciting" presentation, then Pioneer or Onkyo may fit the bill.
Denon is also good at 2 channel, and Yamaha is known for excellent processing without being too forward.
It is essential that you hear all the different presentations for yourself, as everyone is very individual as to what they like.
Cno