Hi,
I know tha Oli_HD stated that making a new MoBo would be very difficult
It wouldnt be difficult, its just something that I cant see a market for yet, If you wanted a new motherboard would you pick a 800Mhz or a 220Mhz Coldfire? Now if lots of Amiga's upgraded to the Coldfire then a full motherboard may be a good product.
Your right about just adding a PCI slot and having a full motherboard, heck Motorola's dev board would just about do (1 PCI slot, ethernet, 2X serial, SDram and flash chip)