I know this post is going to come off all Mac-fanboy-ish, but it must be said.

Jump lists:

OS X’s dock menus:

Window peeking:

Expose:

New system tray, which users are in control of:

OS X’s menu bar (which I am in control of):

Note: if you’re wondering why there are some funny characters in these screenshots (like the O’s above), I’m mucking around with a system font with an incomplete character set.

OS X is handling these features simpler, more elegantly, and better.

Images from Ars Technica.