Can't use my Adobe Illustrator CS2 with my new Mac Book Pro - is there any way to fix?

I recently purchased a MacBook Pro only to find out AFTER I made the purchase that I would not be able to use my Illustrator CS2! Do I really have to purchase a complete version of CS5 or is there another way around this? Does anyone know if OSX 10.7.2 will work with any upgrades to CS2?