Cyberwurx has a "double your bandwidth: sale on it's dedicated servers right now (managed and unmanaged). The promo code is on their front page. I just upgraded to a dedicated P4, 1 gig ram, 120 gig HD and 1000gig BW. Cost $75 month, no setup fee and no contracts.
You can get there two ways
http://cyberwurx.com/?referral_id=4893
or cyberwurx.com