News that the PlayBook would be at least initially available only on Sprint surely elicited some mixed reactions -- hooray for WiMAX but locking your tablet to a single carrier is never any fun. Now Skatter Tech has uncovered a curious page that previously allowed people to join a sort of early-access program for a PlayBook on VZW. The page certainly looks official enough, and the ownership of the site -- a marketing agency that works for both RIM and Verizon -- also makes a compelling case. Of course, it could just be a fantasy