Forte' is Performance's house brand, so nobody else is going to carry them. HOWEVER, as with most Performance house-brand components, those Converts are just a 'catalog' component from a Taiwanese maker - - in this case HT. It's actually the HT MN16AT (
http://www.hti-pedals.com/ht_portal/...oductCname=air). If you're set on that configuration of platform pedal, there are probably 3 or 4 others who sell that pedal under their own brand name; just have to look around.
There are a bazillion different pinned platform pedals out there, though - - so really, just shop the features/price you want to pay at any of the big MTB or BMX onlines. If you don't get dizzy from the choices.