$5 - $10
This place has great burritos with mole sauce. Highly recommended. (I need to verify the name of place, though, and figure out the address).
Good Lunch Spots In Silicon Valley
A map of a lot of the good lunch spots in Silicon Valley. I work there (in Santa Clara) as an engineer and my coworkers and I have a bunch of lunch spots we rotate through. Please add to the map if you know of another good spot.