http://www.ebay.com/itm/281274780304?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
but I don't know if it's really worth it to include standoffs. I don't know if people would appreciate that extra $5, what do you think?
I obviously have these cases for myself, and I don't use standoffs, or nothing like that.
Why not drill the holes for the standoffs and leave it to the buyer to decide if they need them. Personally, i would want a space underneath the MB to allow heat to escape. But i doubt that it is needed. BTW, nice simple frame design. I like it. Good luck with your endeavor.