You are a rare MacAddict.

"I have a few people who have changed, and it's like learning many things over. How about that, two mouse buttons and the left one and the right are different?" I don't even know what that means?

What's XP? I have old computers running 98 and the new one on Windows 2000.

Andy had the best answer. Download all the updates and new drivers, that should solve the problems.