That's the weird part, I usually just get in the center of things and follow my nose. There's thai food,there's a BJ's Mongolian BBQ, there's a Green Field Churrascaria Brazilian BBQ north of the beltway on 355 (also called "Meatboys"). There's plenty of hole-in-the-wall places for take-out. My favorite Indian place is Delhi Dhaba, and for mexican people like California Tortilla. Matuba for sushi, and...

Um, here, try the Zagat neighborhood listing and see if there's anything that sends you. You can search by location or cuisine.

http://www.zagat.com/Browse/Results.asp
VID=1&PID=1&LID=7&LSID=25574&BRW=21&NDPH=Bethesda%2FChevy+Chase

http://www.zagat.com/Browse/Results.asp?VID=1&PID=1&LID=7&SBY=11&PG=1&BRW=21&LSID=25597&NDPH=Rockville/White+Flint

Or... follow your nose...