È Tutto Qua! just tried this place thanks to the rec on pinchit and it was awesome. the pastas area delicious. looking at it from the outside you'd never expect this place to be as awesome as it is, but it was a lot of fun.
This place is so fun to come eat at. They actually give you a lesson in eating oysters so if you are a newbie this is a great place to learn to shuck and to enjoy the food!
They'll accommodate a walk-in. I remember a group of friends and I waited like an hour on a Friday night. I thought it was worth the wait as some of my buddies and I walked around Haight and bought a few drinks.