Keith Marshall wrote:
Harbor Freight recently started selling one for a pretty good price.

http://www.harborfreight.com/cpi/cta...emnumber=99736

Their catalog has had them for $150 (e.g., 99736-1BUC).

Haven't seen one in person yet but I found a video on YouTube:

http://www.youtube.com/watch?v=FO1FOxscqqM

Looks like he's working pretty hard but he's bending .120 wall tubing so I'm
not suprised.

Looks like a gear motor might be readily attached.

Bob