Yes, if that was not Vapor, I'd be thinking about those possabilities too! That coldfire had me excited for so long... :/
As for expensive accellerator boards. I was thinking, since they are designing the chips, and hopefully some day motherboards to put them on, I would figure they could design the new boards so that you can just drop a chip on it, as opposed to having to buy some expensive expansion board you know?
But I don't know how all that stuff works, I don't understand why a 68xxx board could not work like a standard PC board where you just change jumpers or something in the bios to adapt for the new CPU.