Bruce, please make this thread a sticky.
As for my upcoming stays (the ones I am certain of),
March 1 - March 3 / Washington Dulles Marriott Suites/ VA1379
March 3 - March 5 / Orlando World Center Marriott / VA1379
March 10- March 11/ Fairfax Marriott at Fair Oaks / VA1379
April 4 - April 7 / LAX Renaissance / VA1379