I called today for a demo of the x400. I have been eyeing them up for a couple of years. I went to a machine trade show back in 2010 to see the 760 model, way over kill for me and too expensive.
joemower, did you get the stand that the grinder mounts on? If so, does it wobbel, shake, or viberate when you use it? I have watched the video several times and it looks like it may not be a steady unit.