DCist’s highly subjective and hardly comprehensive guide to the most interesting movies playing around town in the coming week. Repertory: The 400 Blows Expect to see plenty of French New Wave retrospectives over the next year or so, as 2008 represents the movement’s 50th anniversary. If Claude Chabrol’s 1958 Le Beau Serge lit the fuse, François Truffaut’s 400 Blows was the first in a subsequent series of cinematic explosions that announced France’s new generation of…