I recently built an X-carve CNC machine. Being a former woodturner I can see some neat appllications for the CNC with a 4th axis for lathe rotation. From what I have seen such additions are expensive.
But... An Eggbot might be capable of suppying the needed rotating hardware and with appropriate software its stepper motor might do the rotation job. Much of the CNC software is capable of controlling the 4th axis stepper.
I am not in a position to do anthing yet, but having both the X-carve and your Eggbot (mine is not the fancy new one) causes one to think abouta hybrid.
Any thoughts or comments?