best source for steppers?

Sorry to ask such a basic question but I can't find a decent answer.
I know there are steppers everywhere, I want a more integrated solution aimed at consumers (ie cheap).
My current extruder motor is too weak, so I need one with a gearbox. Since the odds of finding one that will drop-in-replace my current design and still fit the the filament-feed parts I have is very low, I will probably have to buy a complete filament-feed assembly (motor, gearbox, hobbed gear, pully and filament guides, spring, etc).
thanks

I have bought them from Aliexpress new at really good price, then for my second and third printer I bought them rebuilt from ebay (best price so far). Anywhere between 30 and 50 for a set of 5 nema 17's is good.

Same way for geared ones and fully built extruders, full extruders will run on Aliexpress between 70 and 110, geared steppers between 20 and 30 each.

Edited 1 time(s). Last edit at 11/07/2014 04:45PM by ggherbaz.