It seems, these days, everything and anything can be modded.
I just got my Extreme Music soundcard made even more extreme, replacing the op-amp with a LM4562 and a Ruby Backgate (thats the big black thang you see sticking out).
The damage was $55, but I must say I can hear a difference. The vocals in the music sounds much richer and fuller.
Now to upgrade my aging Crossfires. These are the most likely candidates :
