Though I share some traits in common with the grizzled UNIX hacker, I have never been fond of focus-follows-mouse. Even so, this investigation into why it doesn’t work on OS X is a an interesting (though nerdy) read.
I don’t understand why you’d need to switch window focus when Emacs is the only app open.

The new firmware for Apple’s aluminum keyboards does the right thing. When you change your Caps Lock key to be Control (or some other modifier), the (undocumented) accidental press prevention is disabled. This is perfect, exactly how it should have been from the start.
I can now stop complaining and use Apple’s keyboards again.

Some of the other guides I’ve seen are inaccurate and didn’t work very well for me. This did.
You can change your account password, but you cannot change your keychain password. Your login keychain has the same password as your account, which you lost. You have to delete it. You’ll lose everything in it. Sorry. Consider [...]

On the iPhone:

In Safari, tapping the menubar at the top of the screen scrolls you to the top of the page.
In any other app with a tall scrollable area, tapping the top of the screen does nothing.

I’ve had intermittent problem with my MacBook Pro (2.4ghz Santa Rosa) tinting the entire screen blue after waking from sleep. It seems to be fairly common, and fix is reasonable simple. I hereby dub this problem the Blue Screen of Mild Inconvenience.
I just realized that it didn’t happen at all until I re-enabled the “Require [...]