I really want to go. I would like to set up a booth for my company, but we haven't done an expo before and I'm not sure we could get everything ready in time. RescueShirts are you getting a booth or just attending?
If there is any training you can get on your own, that will help you look good. When you get an interview with a department you like, make sure you tell them that you are planning to make your career there. They want to know that you won't just use them as a stepping stone to get another job...