I'm not sure if that would help.
But if you do get one (which you should), DON'T use it on a carpet. You can break the base of the pad (it could crack). If you can only do it on a carpet, put a piece ...
I've been doing DDR on the cheapie dance pad that came in the 'DDR Extreme 2' bundle for about a month now (it's definitely a piece of junk). I have it on a carpet floor and I wear socks when I ...