A few large-ish OBJ files:
http://www.prinmath.com/csci5229/OBJ/index.html

The F-16, and the Cruiser loaded promptly into MoI. 2,875 poly's +/-
The huge Bunny, 69,630 poly's, and the Suzanne Monkey head, 15,488 poly's, did not load, for a long time, and were aborted.

Very happy with new MoI feature!
- Brian