For many writers and gamers, nothing beats an old-fashioned “clicky” keyboard. But the keyboard’s feel depends on what sort of mechanical switches are used in the keys, and there are a number of different types. Even the vaunted Cherry MX switches come in several different color-coded varieties. Alex Cocilova, writing for PCWorld, explains the differences in available switches — including required actuation force, noise, and multitasking performance. If you’ve been considering a mechanical keyboard, be sure to read this first. follow link
Cull Graphics Quickly with Preview
You're faced with a folder full of images, and you need to sort through them, trashing some number and keeping the rest. For a quick way to do that, select them all, and open them in Preview (in Leopard, at least). You'll get a single window with each graphic as an item in the drawer. Use the arrow keys to move from image to image, and when you see one you want to trash, press Command-Delete to move it from its source folder to the Finder's Trash. (Delete by itself just removes the picture from Preview's drawer.)
Mechanical Keyboards Explained
I love those keyboards (I have around 4-5 of the clicky kind alone), so all information is interesting.
By the way, I *finally* found a portable keyboard for my iPad which is somewhat Clicky. I wrote this: