Dang, this is the sort of thing where I know I have lots of answers but I can't remember any of them at the moment. I like Tally Hall's version of "Smile Like You Mean It" more than the original, though they're my favorite band, so I might be biased.
Smashmouth's "I'm a Believer" might be better than the original. Lots of energy.
Currently playing:
Bloodbath Paddy Wagon Ultra 9