Gotta say, Ru San's is the warmest sushi restaurant ever. Everyone is super friendly, from the hostess to the guys behind the counter. And their $5 lunch box is incredible. Buffet style, self serve sushi, plus the chefs will handroll something fresh if you ask nicely. They even have fried chicken wings and stirfry dishes.
The first time I went, the chef was disappointed that I could CLOSE THE LID on my box, and insisted I go back for more. This isn't a place for sushi snobs, but it's an awesome, cheap, filling and friendly experience.