I usually look at the quilts on display first - I always take my camera - take a picture of the label, then full view of the quilt and any close-ups that I may want. With my digital I can always delete any that I don't want to keep. I won't be able to go this year (hubby has vacation this week and he has other plans - camping) so have fun for me.
I do look through the vendor booths, but have chosen to purchase only things I know I will make in the next 90 days! That sure cuts down on what comes home with me.
I usually wear a small backpack so my hands are free and my purse isn't slipping off my shoulder all day long. Lunch there can be expensive and the last time I was at the Expo they wanted $3 for a bottle of water - I take my own lunch and a water bottle with me. Call me cheap, but I would rather spend my money on fabric than water!