The only reason we need to do this is because some of the P2 and Video cards are not caught up on drivers they have drivers for the Dual Adaptor that reads P2 cards on the older version they have already sent notification that it is not supported on Snow Leopard. We need to keep editing and maintain workflow and have to replace an older Mac with an AJA card and now we are concerned what other drivers for 3rd party isn’t supported.