Like always....hit up local shops
But here's 2 recommendations...
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
7002PT Double Bass Drum Pedal online at Musician's Friend
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.