I'm not a western BBQ expert but I assume you've tried all these places in Irvine:
Famous Dave's
Lucille's
Wood Ranch
Of those 3, I actually like Wood Ranch but Spectrum parking is bleh.
I wasn't too impressed by Famous Dave's but I think USC likes it.
And I've been to Phil's in San Diego and have no idea why the line was so long.
Does Chili's have beef ribs?