Don't get too excited about 3D Hubs, there are so many people on there now jobs are slim (and the place is a bit of a shambles at the moment..business at the front, mayhem in the rear.

I personally recommend Torwell Filament, no it's not the cheap stuff but it's not ColorFab expensive. I have bought so many cheap rolls from Ebay off countless suppliers, the only good quality I would recommend from our asian counterparts would be Esun filament - that stuff is flawless (so far)