One idea if you've not figured out door handles yet: Use aircraft door handles for the doors. They are flush mounted and would be a nice touch IMHO.
Here's one that might work great:
http://www.hendricksmfg.com/latchprod.html
Video of it in action:
http://www.hendricksmfg.com/movie/leftlatch.html
http://www.hendricksmfg.com/movie/x14right.html
Cheers,
Jason