I have been eyeing this one....its newer on the market, but built like a tank!
http://www.grainmaker.com/
Also: There is a really good review of the major grain mills here at the Walton Feed site:
BACK TO BASIC AND VICTORIO HAND GRINDER Jun 01, 2009
KITCHEN MILL AND WONDER MILL-IMPACT GRINDERS Jun 01, 2009
COUNTRY LIVING MILL HAND GRINDER Jun 01, 2009
WONDER JUNIOR/DELUXE HAND GRINDER Jun 01, 2009
And these too:
INTRODUCTION AND ATTRIBUTES OF TYPES OF GRINDERS Jun 01, 2009
PURCHASING THE RIGHT GRINDER FOR YOU Jun 01, 2009