Just got back from Manhattan Beach store.
The Good: Got the Samsung printer. It is definitely a bargain.
The Bad: The lines really did suck - but moved amazingly quickly. There were no less than 150 people ahead of us in line, and I estimate we were out of there in 15 mins.
The Ugly: There were actually lines of people waiting to get the little form you have to take to the front of the store to buy certain items (like CF and SmartMedia, for example). I would rather wait for a deal from somewhere online
Good Trick to Know: The parking lot is truly awful, and probably dangerous. I recommend parking at the north end of the Manhattan Village Mall lot (near the movie theatre) and walk over. The only downside is that, if you get anything heavy, you will have to go up and down some stairs.
...dan