Are you still using linux? If so, I have a few questions. Jsut bought my X-Carve 1000x1000 machine. In the past, I have used Google SketchUp to do all of my designing, then just export to STL and run that through PyCam and then off to EMC2 for cutting.
I'd like to see what your process is and what software you are using. Linux users don't get love when it comes to CNC/Lasers and 3D printers.
I've never seen these Arduino controllers, either, I've always used Smoothieboard. So, there is probably going to be a little learning curve... if I don't end up switching to Smoothieboard. IN the mean time, I have Raspberry Pi's and computers running all of my toys right now, but everything is Linux.
Thanks, and look forward to seeing how you do your designs and cutting.