I've used and enjoyed my Outlaw 750 for several years now, and so would readily recommend the 755. The Parasound 2205 is reportedly also an excellent amp, although unless you're buying one used it's likely to be more expensive than the 755. If you haven't done so already, poking around Audioreview might help you decide. There's a review of the Outlaw 200 that compares it to the 2205 and prefers the Outlaw -- while the 200 and 755 are different designs, the people who have used 200's and the 755 or 770 have indicated that there is no appreciable difference in sound between the Outlaw amps.

Reviews:
Parasound HCA-2205A
Parasound HCA-2205AT
Outlaw Model 750
Outlaw Model 755
Outlaw Model 770
Outlaw Model 200
Outlaw Model 7100

Whichever way you go, it should be a nice upgrade. Enjoy.

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