ASRock B760M PG SONIC WiFi Intel Socket 1700 Motherboard at £179.99
It has a picture of Sonic on it, buy it now!
Seriously, it looks fine if you don't mind the lack of real estate (of a M-ATX board). Personally, I prefer my M.2 drives to have more breathing space. Haven't seen any reviews yet, so can't vouch for the rest.

) and at the only place I can find it for sale, the 850 version is just £6 more.