I was surprised not to see a thread on Sick Fix. Super heavy and pissed DC straight-edge hardcore/powerviolence. They sound like a mix of Infest, Crossed Out, His Hero is Gone, Judge, and Cro-Mags. Definitely not a band to pass up. There are rumors of an upcoming full length...

http://www.myspace.com/sickfix (recordings don't do them justice, check the video)