Originally posted by Gelfin
I wouldn't have expected to switch from the commercial app to the ones that come free with the OS, but Entourage comes with a performance hit. I don't need Address Book and iCal loaded every time I want to be able to check my mail, and besides, I think Entourage uses more CPU time than having all three Apple apps open anyway. Besides, Entourage seemed to crash or cause problems a lot more than I was happy with.