Here's a
link to a page for tips if you plan to attend. Granted, this was written from the point of view of a comic strip artist desperate for a big break, but it does have good stuff about various hotels, places to eat, and which booths and panels are must-sees.
Oh, and don't think it's too late to sign-up. Sparky and I didn't make our reservations until around this time last year, and we were still able to get hotel reservations in scenic El Cajon.