I havent been here in years and it was a fun experience than and it still is when i went a few months ago. Also if you have the Cash some of the cars are for sale, and take as many pictures as you want to. Here is the link for a coupon so you can enter for free. Print out as many as you would like. http://www.vegascoupons.com/lasvegas/2009/08/imperial-palace-auto-collection-coupon/
They have a whole nother side that i hadnt seen when i went years ago. For Cheap fun for the whole family i recommend checking it out if your into Cars. The Gift Shop is nice too.