The answer to your second question would be www.twa.com Good news is that you're pretty much one stop from everywhere TWA flies. Bad news is that the only nonstop is to STL. If you're going up and down the East Coast, you're pretty much out of luck, but not bad to the Midwest/Plains and some points on the West Coast where USAirways does not have nonstop service.

Think that you'll find that TW Elites are generally quite happy with the Aviators program, especially for the upgrade program (similar to Dividend Miles)