You should try $5 copper tweak here. It changes my whole system from musical and warm to a Hi-fi one. Not in a good way, not in a bad way, it just does. Now, I slide it back and forth from time to time when I want my music sounds diff.
http://forum.audiogon.com/cgi-bin/fr.pl?htech&1237170946
http://forum.audiogon.com/cgi-bin/fr.pl?htech&1237170946