That's pretty much another form of Tuxbar's (also on Amibay) Megachip... removal of the socket and placement of the megachip directly to the board. I have done this myself on one of my 500s (using Tuxbar's variant). What's great about this, versus using the PLCC socket adapter, is that you don't have any interference from the megachip when using a 68000 socket-based accelerator. With the ACE2 and other Megachip variants, you'll have to use a CPU relocator to use both it AND an accelerator.
