A quick look at this eBAY store tells me everything I need to know --
http://stores.ebay.com/The-Miracle-S...id=p4340.l2563
While they have PSA/SGC cards, they also have ISA cards and at very large discounts relative to recent sales of PSA/SGC cards in the same grade. If one assumes that these guys are in business to make money, they would have already crossed them if they could. More likely, they've already crossed them from PSA/SGC into higher grade ISA holders and are trying to make that side of the cross work.