I tell you, if I was buying right now, a 2600 as a pre and some good seperate power amps ( outlaw, NAD whatever) would be an excellent choice.

I love my 4600, but the 2600 has everything as well gadget wise, cheaper, and you'll be better off with seperate power amps



2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12