I already use Monley Nuts on my Ogre, and have no intention to change the axel position on the dropout. But since I have no plans to tour with full on panniers, heel strikes are probably not a problem. Also, I have no intentions to run fenders.
I wasn't aware of the Tubus Cargo tire width limit. I sometimes use some fairly wide tires on my bikes (Panaracer Rampage eg.) so that might be a problem.
Just found a really good deal on a Surly Nice Rack copy (Ragley Rack'em Up). What do you think of this one?