JD2 Model 3 with hydraulics. Otherwise it needs a substantial stand bolted to the floor. And muscles. We have ours on a cart with wheels, all self contained with hydraulics. Wheel it where you are working, wheel it out of the way when it's not being used.

Started out with a cheapy. Dumped that and went with the JD2 stuff. Makes nice bends. Works great. Buy once, cry once.

I've used a Model 4. Unless you need it to do BIG stuff, the 3 is a much nicer machine to use. Car stuff up to 1 3/4 - get the 3.