do you mean the metro cafe? i think that place closed a while back.
www.dcist.com is a pretty good resource for what is going on in dc. there are tons of good links on the site
pheer.com used to be much better, but its not a bad start.
bigyawn.net has some listings
washingtonpost.com has "going out" blog that is pretty good.
the washington express - the free version of the post is ok, getting better. their show listings are fairly limited and *usually* for the day of a show.
the warehouse next door is worth checking out, sometimes DC9 has good shows and Galaxy Hut if you are in NOVA. There are tons of house shows in MD, too, near College Park and Silver Spring, depending on what you are looking for.
surprisingly enough, American University has been having pretty rad show in the basement of Kay - the "flaming cupcake" on campus. I wish they had those when I was there.
Don't forget about Fort Reno [www.fortreno.com] on Mondays and Thursdays!