If you're coming along to BlizzCon, you might want to do more than simply come to the con. There is plenty to do in and around the area, and I thought that I might, as a former Southern Californian, point to some of the alternatives around town. Yes, we know there's a mouse who lives in Anaheim, but if you're not in the mood to visit the Temple of Disney across the street from the Anaheim Convention Center, there are other options.
Food at the convention center will be basic, so if you get the chance to slip away for a meal elsewhere, I recommend it. My favorite place to eat, for instance, during the last BlizzCon was actually a little Red Robin just down the street, where I sipped my chocolate shake and listened to Warcraft-related conversations at the tables around me. If you don't mind a little walk, there is Storyteller's Cafe, one of my favorite restaurants at Downtown Disney, located at the Disney's Grand Californian Hotel. The prices are fairly reasonable, and the food is of good quality, with high class service. The one place I have been meaning to go ti but never have is Medieval Times Dinner and Tournament, where they have a Renaissance-esque meal served during a jousting show.
If you are in town for a couple of days and like theme parks, you are definitely in luck. I am not a huge fan of Knott's Berry Farm, but I did spend my formative years at the Six Flags Magic Mountain north of Los Angeles and can highly recommend the Riddler. South of Anaheim along the Interstate is Legoland in Carlsbad, and further south in San Diego are three attractions perfect for the animal lover in the group: The San Diego Zoo, The Wild Animal Park, and Sea World. The weather should be nice next weekend, so why not take a drive down to Dana Point and enjoy some sea air? It's just down the Interstate 5 from Anaheim, and the area is dotted with shops and restaurants surrounding a lovely marina.
These are just a couple of suggestions, and there's an excellent thread on the forums that details plenty of other options for dining and entertainment around BlizzCon. For those who are going, what are you planning on doing besides going to the con?