Just to add a few more options, if you don't decide on Obika...
I grew up over there and over the years since moving, I've eaten at practically every restaurant in the area...
My parents regularly eat at Toscanova. Italian food. My mom is obsessed with the mushroom risotto, but the meats are tender and fresh (chicken milanese and filet mignon have been given the A+ by my brothers) and they have plenty of alcohol, outdoor seating, not too loud, etc. One big fail was the roasted potatoes. They were old and GUMMY. How hard is that to mess up? http://www.toscanova.com/menu.php
Then there's Pink Taco. It's pretty kitschy and flashy but a good place to get drunk or people-watch the LA trash. Oops, sorry. Anyway, I've only eaten here once and from what I remember there were no complaints at the table about any of the food. It's Mexican-type food but they have quinoa salad on the menu, so go figure. I had flautas which were yummy (as are most fried things); other diners at my table had mole, pork pibil tacos, beef tacos, etc. and everyone was stuffed. The chips are good too; fresh salsas were tasty if I remember correctly. http://www.pinktaco.com/menu/pinktaco.pdf
And Breadbar. I've never eaten at this one, but used to work at Cedars Sinai and we'd head over to the one on 3rd Street all the time for lunch or dinner. I usually got salads or sandwiches--they were always fresh, crisp, and the dressings were great. And of course, the bread! http://www.breadbar.net/menu.html
We used to head over to Clementine for quick dinners--but they close at 7:30 weekdays, 5 Saturdays, and closed Sundays, so maybe not a good option... Our other quick dinner was at Johnnie's Pizzeria, next door to Clementine. Maybe it's just cause I was raised on the stuff, but I never thought their pizza was too bad. The waiters are always nice, it's usually not at all crowded (good for socializing), free parking behind, and when I was a kid, they took me on a tour of the kitchen and showed me how they made a pizza. All I took away from that lesson was that all their ingredients are fresh and they make everything to order. No pizzas sitting around all day.
I never liked Gulfstream, although I never ate seafood, so maybe that's unfair. The same goes for all the sushi/Japanese places nearby. You could always venture into Westwood which is just a hop skip and a jump down Santa Monica Blvd. Or even head down to Pico for lots of less-expensive quieter places. Or Beverly Hills. Lots of choices over there.
Okay, Obika it is...
10250 Santa Monica Blvd #220, Los Angeles, CA
10250 Santa Monica Blvd 656, Los Angeles, CA
10250 Santa Monica Blvd., #192, Los Angeles, CA 90067
10250 Santa Monica Blvd, Los Angeles, CA 90067