Absolutely love cover/tribute albums. Here are a few of my favorites:
A Nod To Bob, A Tribute To Bob Dylan On His 60th Birthday on Red House Records. This is a fantastic album with audiophile quality sound.
Twelve - Patti Smith
The 49th Parallel - Kd lang
A Tribute To Joni Mitchell - various artists, some really great covers on this one. I especially enjoy the openin track by Sufjan Stevens, it's the one track which varies significantly from the original but works very well.
