Hi, I also use the elrod stuff on my bp clone, really nice. I have a grex and baldor ac servos on it. I have tested it at 350 ipm but it is positively scary at those speeds. The entire machine shakes and and the y being so short just scars the hell out of me. The other problem is the soft limits don't work on the grex.

I have the rapid set at 150 ipm and that seems about fast enough for this machine, at least that is as fast as I am comfortable running it. 

Chad

There are some pics here..

http://www.artsoftcontrols.com/forum/index.php?topic=627.10