I pretty much love any cover that puts a new twist on the source material, even if tis not that good in its own right. Here are my top 5 what are yours? [made this list rather quickly, im sure i gotta be forgetting something]
1. Superstar, Sonic Youth (Originally by The Carpenters)
2. Because, Elliott Smith (Originally by The Beatles)
3. Six Pack, The Dirty Projectors (Originally by Black Flag)
4. Nightswimming, You Say Party! We Say Die! (originaly by REM)
http://www.mediafire.com/upload_complete.php?id=wyufnxgtwfj5. Landslide, Smashing Pumpkins (Originally By Fleetwood Mac)
(6.) The Biggest Lie, Bright Eyes (Originally By Elliott Smith
[this is a personal favorites list and by no means a Best Covers of all time list]