I use Surpass Hosting for a dedicated server right now. They actually just upgraded the bandwidth they offer, multiplied it by 4 I think.
http://www.surpasshosting.com . They have excellent support, and a great help forum.
They are my favorite host.
I use Host Gator for reseller hosting for my work stuff, they have good support options available (email, chat, phone).
http://www.hostgator.com