"As long as your system is EQ'd well, all music should sound pretty good on it."

Tony,

This is true for Music, but I use my tuner to listen to Talk Radio almost 100% of the time. I find that the treble end of the EQ settings needs to be significantly reduced. Right now, when I toggle back and forth, I usually have to change from "Flat" EQ (for radio) to my custom setting (for music) or vise versa. Sometimes I get lazy and don't bother, which leaves me listening to music with a "Flat" EQ or Talk Radio with annoying high tones. Since I switch back and forth from Tuner to Player alot during commercials, a "source=x then EQ=x" would be an awesome option for me.