JLM
Radio will always be about background music. Something to listen to while doing something else.
XM Radio is more about quantity and variety than sound quality although it does sound better than FM
xm radio sounds better than fm?

who are you kidding? you either have an extremely lo-rez system, are deaf, &/or have never heard what a good fm tuner & quality broadcast can sound like on a hi-rez audio system. not only does fm rival the best sound you can get from hi-rez digital and analog sources, but xm sound quality is
so bad that it gives me (and others) a headache after 15-20 minutes, even when used as background music. for critical "sweet-spot" listening, it is intolerable for even 30 seconds.
i can see the use of xm in a car, w/high levels of ambient noise, where the serious sonic degradation due to data compression may not be so noticeable... i can sit in the sweet spot in front of my rig & listen to good ol' analog fm broadcasts for hours on end, when the stations i like are playing music i like...
doug s.