If you don't mind the size and weight the Montana 650 is my favorite so far followed by the Dakota. My only complaint about the Dakota is the screen brightness, but the Montana rules the school so far. If you are looking toward the Dakota for size and weight, you might want to look at the new etrex 30, but I love my touchscreen though.

Montana 650

http://forums.equipped.org/ubbthreads.php?ubb=showflat&Number=228190

Dakota

http://forums.equipped.org/ubbthreads.php?ubb=showflat&Number=178777