Reason I wish I still had a Mac: Watson.
Bringing together all kinds of “look it up on the web” information – movies, TV, weather, phone numbers, word definitions, flights, etc. – in a non-browser interface is a great idea. (It’s so great that Apple copied it for Sherlock 3.) It’s faster than going to lots of different web sites for the same information, and you use a consistent, fast interface for everything. If anyone knows anything like this on Windows, let me know.
I miss my Mac.
Well, since Apple pulled the rug out from under Karelia with Sherlock 3, Watson’s being ported to Windows soon. Until Microsoft implements those features itself.