I second the opinion for the EAD Power Master 1000. I own this unit and it really performs great. In 2 channel music it does a superb job. You should be able to find one used on A-gon for under $2k and it is well worth it. There is a reason that all 3 of their Power Master series have a solid "5" rating on Audioreview. Best of luck.
Steve Bachman
Phoenix, AZ
Steve Bachman
Phoenix, AZ