As you can tell, going through my bloglines as usual, whilst writing new entries (trying to adhere to the 1% rule I suppose). An was on A VC Blog, who'd been introduced to this excellent new piece of social software called tourbus. Check the entry here. Tourbus is described as thus:-
You can search for shows, or if you sign up can use an iTunes playlist or Last.fm account to bootstrap your list of favorite bands, then you can get notified about shows via email / RSS / iCal.
Well worth a look though. Shame, I can't see where The Beatles are playing next.