Shin Sen Gumi
All you can eat (AYCE) shabu shabu at Shin Sen Gumi Shabu Shabu in Gardena. I swear it used to be called Shin Sen Gumi Horumon, but that seems to have changed... since, well, 99% of people going get shabu shabu!
Past 8pm on weekdays, they do all you can eat, so we showed up right at 8pm and proceeded to eat. Forty servings of meat later for the eight of us, the chef came out and personally capped us off with a free upgrade of the angus prime beef instead of the regular stuff. Awesome and delicious!