I have had the same experience with bad recordings, but make sure you try a couple of good factory CDs soon. Most compressed audio will sound good on a moderate-fi system but if you have accurate mids and highs some people can hear the compression artifacts... and they ain't pretty.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8