Jeff has an interesting list done by "Q" magazine over on his blog today. Stop by and answer his questions. Here are the top ten I'd pull off the list of 50 with the ones I've already seen highlighted.
1. AC/DC 5. Pink Floyd 7. The Who 12. The White Stripes 19. Bob Dylan 21. The Rolling Stones 22. Neil Young 40. Red Hot Chili Peppers 42. U2