Oware might be your best bet. I think a DuoMid would be tight for two, especially once you add in room for wet shoes, packs, etc. Some people make it work though. A cuben Trailstar would be kind of a mid.
Jason, is this the HMG mid you are talking about? http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/thread_display.html?forum_thread_id=56843