… U street is right at, like, the “beltline” of Northwest, roughly equidistant from most of the other “hot” neighborhoods in the quadrant; if you’re meeting a bunch of friends, it’s the one neighorhood that everyone can agree on.
… IS IT EXPENSIVE? Yes. Not too long ago, Capitol Hill made Anacostia look like Martha’s Vineyard, but the last decade or so has seen the neighborhood gentrified far more ruthlessly and thoroughly than any other gentrified neighborhood in DC. If you enjoy Pottery Barn catalogs and always “like” your friends’ baby pictures on Facebook (STOP IT), then you’ll love Capitol Hill.