I think it kind of depends on why you are going... if you are going to just buy corals, then I would say that it was good for that, particularly if you went Sunday afternoon when the vendors were more motivated to sell and offer better deals. I got some nice pieces for pretty decent prices.
If you are going to socialize, listen to speakers, etc., then I don't have much feedback on that. I didn't go on Saturday, so I missed out on Ryan's presentation among others (not sure if there was a speaker on Sunday).
As others have said, the negatives I feel were the lack of signage directing you where to go, and the parking situation. I still only paid $14, but having it so close to Disneyland just adds to the mayhem and craziness of getting in and out of the area. I LOVED it when it was at the fairgrounds... easy parking, big/spacious venue, and close off multiple freeways 405/55.
All in all, I enjoyed myself, got to catch up with a few guys I know, and came away with some nice corals, so I can't complain.