Los Toros(in chatsworth) or Casa Vega??
Los Toros has the worst service. I was also recently there at lunch time, not crowded at all. My colleagues and I were on a small time crunch, we had a little more than an hour. The worst service! It took about 25 minutes to get drinks and order. Our food took an additional 20 minutes to arrive. We were scarfing down on our food. :)
My brother loves it there, however, he has had great luck.