Sourcing for low power stepper motor driver assembly. Which is best cost and host software wise?
It looks like the Arduino Mega RepRap Pololu Carrier  (RAMPS) is compatible with the Arduino Ethernet shield. The RAMPS board doesn't seem to use mega pins 50, 51, 52 and 10, which is what the shield page says it uses. I've never actually tried this myself though. The Pololu drivers can do about 1A and up to 35V.