No actual PCIe or M.2 connector on the board, the M.2 hat won't be available at launch, and it appears to block the required(?) coolers from being fitted.
The problem is that the M.2 thing still is a HAT, and basically sits about 10mm above the main board, leaving no room for proper active or passive cooling - or at least making it very complicated to achieve. Putting the M.2 slot at the bottom of the main board would have been a good solution that would have avoided a lot of problems.