I just purchased a new Macbook w/ Leopard installed. I installed a few programs that *are* mac programs, and sometimes the system hangs (like in Windows, when a program doesn't respond) and have several times had to restart the computer. I've heard you shouldn't have to deal with this much on Mac software, nevermind so soon. Not bashing on Mac OSX's, I love them now! Just wondering why this might be happening. Is it because Leopard is new? Maybe a resource-management problem? Thanks for any answers!