[lgas]

I guess I'm too late, but other good local places:

DC:
Clyde's in Georgetown (already mentioned)
Jordan's (expensive but worth it)
La Lomita (cheap mexican/el salvadorian)
Yanyu (expensive Iron Chef style chinese)
Viadlia (expensive but good)
Sequoia (expensive but good food, great location, ambiance, etc)
Harbour Club (same)
Georgia Browns (the only gourmet-ish southern food I've ever had)
Galileo
The District Chophouse
Bobby Van's (for steak)

There's an Olive's in DC now... I've only ever been to the one at the Bellagio in Vegas which was pretty good, so I imagine this one is pretty good.

I haven't been to Butterfield 9 but I've heard its great (and very expensive).

Some of the top restaurants that always get mentioned are Citronelle and Equinox but I have tried both on several occasions and wasn't too impressed.

And of course Chipotle.

Virginia:
Busara Thai in Tysons or Reston
CPY Thai in Reston
Supper Club of Indian in Reston
Clyde's in Reston
Russia House in Hernon
M&S Grill in Reston
P.F. Changs in Tysons
Paya Thai in Tysons
Maggiano's in Tysons
Clydes in Tysons
J.R.'s Stockyard Inn in Tysons
Sam & Harry's in Tysons
The Palm in Tysons
Yama Sushi in Vienna (not as fancy as SushiKo, but better sushi)
Tara Thai in Vienna
Pacfic in Sterling
Cheng's in Sterling
Food Factory in Arlington (Ultra cheap, super good)
Cafe Asia in Arlington
Oasis in Centreville
and of course Chipotle

And in Maryland:
Roy's Place (150+ sandwiches) in Gaithersburg