For someone who has only been to a little local show - would it be worth the time and expense to drive 4.5 hours to attend the Tinley Park Show??

What do you guys think. Is there really that much to see?? How long does it take to get thru the entire show?? I would hate to drive that far and pay for hotel and only spend 2 hours at the show - again, I've only attended the little Taylor MI show so I have no idea.

If anyone can share some ideas.

Thanks.