Hutch - I've been doing pretty good on the Potomac. Even with the tournament crowds, it ain't nearly so bad as the cold side of Lake Anna can get! I've been doing pretty good at Mattawoman and the Occoquan area. Went to the reservoir last weekend and got eight nice little bass. Biggest was just under 2 pounds. Respectable for me (peanuts for all you pros!).
If you go out of Leesylvania, I know that C did awesome several weeks ago on the grass outside Quantico. Bit of a run down to get there, but the weather report isn't calling for anything out of the ordinary for a typical DC summer (i.e., hot, humid, hazy, chance of PM storms).
Good luck!