That mobo uses a Mini ITX form factor I believe. It should work in any case but if you want a micro case there are many makes out there that should work fine.
Aopen makes some nice housings for motherboards of that size:
HEREAlso you can get a barebones case like the one from shuttle:
HERE There are many sites on the net that do sell cases like this wihtout anything else. Where are you located and I may find a link for you.
Best of luck