On April 10, emanuel stiebler wrote: It's really an option. It's a secondary board, almost as large as the main board, that sandwiches onto it. Then both slide into the card cage. The option kit also comes with a replacement back cover that has extra holes for stuff like the RGB BNC connectors (it can drive an external color monitor)... ;) I hadn't thought about parting with one of them, but I might consider it... -Dave McGuire