Best cover songs?

What, in your opinion are the best cover songs ever recorded?

My top picks, in no particular order:

Jeff Buckley's "Hallelujah" (Leonard Cohen)
Dar Williams' "Comfortably Numb" (Pink FLoyd)
Matt Nathanson's "Romeo and Juliet" (Dire Straits)
R.E.M.'s "Dream" (Everly Brothers)
Jimi Hendrix' "All Along the Watchtower" (Bob Dylan)
Johnny Cash's "Hurt" (Nine Inch Nails)
The Beatles' "Twist and Shout" (Top Notes)
The Cowboy Junkies' "Sweet Jane" (Lou Reed)
The Sundays' "Wild Horses" (Rolling Stones)
Mindy Smith's "Jolene" (Dolly Parton)