There's loads of really good covers out there, here's a couple of my favorites, what are yours?
[media]http://www.youtube.com/watch?v=aBQAj5CBMGo&feature=related[/media]
[media]http://www.youtube.com/watch?v=X2Btg7lFlig[/media]
[media]http://www.youtube.com/watch?v=d-c4S7Jholc[/media]
(I love the little sendoff to London Calling)
[media]http://www.youtube.com/watch?v=5DvDq9-MP4c[/media]
[media]http://www.youtube.com/watch?v=YVFvqwEF1W0&feature=related[/media]
[MEDIA]http://www.youtube.com/watch?v=WZat5TbRO3A[/MEDIA]
[MEDIA]http://www.youtube.com/watch?v=-isEdSq7ECg[/MEDIA]
[MEDIA]http://www.youtube.com/watch?v=uQYDvQ1HH-E[/MEDIA]
The last one is my favorite though. It's what music is all about, in my opinion.