Audiophile multi-channel amp?

I'm looking for a really good sounding mulichannel amp that first and foremost sounds good for music, but will also be used for HT as well. I'm currently using a Outlaw Model-755 which is pretty good, but I'm looking to upgrade.

My budget is $2500, five or seven channels O.K. I realize at this price range I'll more than likely have to buy used.

Associate equipment: Naim CD5i, Sony NS999ES DVDP, Arcam AVP-700 pre-processor, Energy Veritas 2.3i speakers.

Recommendations?