Slicehost. Great tutorials on their website (you should use these even if you don't use slicehost), great service, fast response times, great UI on the admin pa

Slicehost. Great tutorials on their website (you should use these even if you don't use slicehost), great service, fast response times, great UI on the admin panels, and run by hackers. The UI is great. I can't say enough great things about it -- got a machine up and running in an evening.