I'd fish around on Amazon for some pedals. These wellgo pedals are pretty decent and you can usu. find them for under $30,
http://www.amazon.com/Wellgo-Alloy-S...+pedals+wellgo
I like the MKS lambda pedals but they'll run a bit more,
http://www.amazon.com/dp/B001GSQVEE/...l_23d8ln4une_e
Not everyone likes the way they look though.