a lot of people prefer drops for a commuter
i honestly dont see why these companies dont make two versions of the same bike.
in fact, they already do, but they are both flat bars....
also, to tell you the truth id have preferred disc brakes.
theres nothing wrong with a steel frame for winter commuting either, though trek isnt really into steel frames, i just wanted to point that out.
the belt drive intrigues me. i try to avoid trek because they are the evil empire of cycling, but they make nice bikes