Enlightened hipsters, yoga-mat toting MILFs from Noe Valley, and Bollywood fans with a touch of class.
Dosa is the only restaurant in SF that serves Southern Indian Cuisine, which is healthier, easier to eat, and much better-looking than the slop you'll find at most urban Indian spots. Soju/Lillet cocktails, a stunning beer & wine list, and a hip and clean ambiance make the long lines seem like an honor rather than an annoyance.
Curry-in-a-cup ain't cuttin it these days. Haven't you heard? India is the new New York.