That's an impressive line up. Art Adams alone makes it tempting, I'll have to look at schedules and talk to the wife. They have an IKEA there so I could use that as leverage, plus it's only 5 hours away from me.
They just announced Katy Sackhoff (Starbuck in Battlestar Galactica) and Alan Tudyk of Firefly and Star Wars Rogue One will be there. If you are going one day I'd keep an eye out for their schedule because not everyone is always there every day. Saturday will probably have the most people.