Super Pet Expo omes to our area 2 times a year. We go because it is 6 miles from our house. I would not drive 2 hours to go. It is overpriced (at least here) to get in. It is mostly vendors and other add on costs. this year my dd friend wanted her picture taken with the wolves and it was $5-$10 for that. I can't remember, but I had to pay $3 just to let my dd go in and pet the wolf.
There are rescue groups there and it can be fun (which is why we go) but I am warning you it is a money pit!!
Because it is so close to us we do go, but I wouldn't drive 2 hours to go.