Yes. I have a PS2, and the controller works with my DDR. It is of course alot harder to hit doubles where you would have to use 2 feet, but it is possible.
I would recommend using the Dance mat...
Since I've been looking myself and google seems to give a big goose egg on this, I'll list some on M.A.M.E. that work well with ddr pads. It has to be a pump-it-up pad or one with a button in the...