I wouldn't mind seeing Denver to Kansas City; in my case a stop in Salina would be just 65 miles for me. OK - let's stretch the route from Denver through Kansas City, to St. Louis, all the way to Nashville. The front range of the Rockies has already been addressed. Maybe Kansas City to Omaha to provide yet another connection between the Southwest Chief and the California Zephyr. And, of course, bringing the Heartland Flyer north to Newton through Wichita.