With out bending a few laws of physics, what you're asking for is not quite possible.
The CaseTronic C134b at http://www.itx-warehouse.co.uk/Produ...x?ProductID=77 will fit the M series motherboards. ---but
<> wont facilitate a full size cd/dvd
<> wont facilitate the opus 90w
You've got some decisions/compromises to make.