For unmanaged i'd recommend ev1... you won't find better prices, but you get what you pay for as far as tech support goes. It's also banned by some of the bigger TGP's such as thehun for some unknown reason.
If you don't mind spending a little extra for a fully managed server check out
www.serverprovider.com ... I can hook you up with a 50% discount on your first month if you're interested. Hit me up on ICQ 4213411.