A Revolution in Education
Yes, you can share Notebook files with MAC and windows users with little problems except for if you use a lot of Flash. Notebook does work good on MAC except with flash objects like the Lesson Activity Toolkit. In addition, the transparency Notebook icon is not available on the MAC side as well as Office products (Word, Excel, PowerPoint) ink-aware doesn't work as well as Windows.
Attached is a pdf showing some of the differences between MAC and Windows for Notebook 10.6
I have Windows installed on my MAC with boot camp (which costs $100 for Windows install). With that setup, then you essentially have a Windows computer operating system using MAC hardware which works excellent.