Like always....hit up local shops

But here's 2 recommendations...
Buy Pearl P122TW Double Pedal online at Musician's Friend
i just got that one and I'm likin' it, though I've only played one other pedal...the rion cobra

Nother' ...
Buy DW 7002PT Double Bass Drum Pedal online at Musician's Friend
Buy DW 4002P Double Bass Drum Pedal online at Musician's Friend
nearly the same as the 7002pt, just dumbed down hardware afaik

Hope that helps ya
edit: wow that's a weird way of linking stuff...I put the address and it automatically puts a tag in...:S weird lol.