These are my specs on my rom and kernel right now:
Rom: CM 7.1 Nightlies 11/16/11
Kernel: Glitch V13 - LL
UV: 100 = -250v
200 = -250v
400 = -250v
...progressively goes up from there.
I run PowerAMP for a good 2-4 hours a day off and on and the rest of the phone on medium...