Have a look at the server auction? Tbh, I would limit my dedicated server rentals to server/ddr ram setups (which is a little more expensive).

But if you just need some cpu (to transcode some video, crack some passwords, what-have-you, run a game/videochat server) - consumer cpu models give you unmetered gigabit or 30tb/month 10gbps. So can definitely be worth it vs a VPS.