I love Quick Look. Especially with images. Go to an image (I've tested JPGs and PSDs so far), and hit the Space Bar. A large version shows up like it's supposed to.Now, hold down the Option key and click somewhere on the Quick Look image -- it zooms in! Hold Shift-Option, click, and it'll zoom out. When zoomed in, release all keys and click and drag -- you can move within the zoomed image. That, my friends, is greatness. With my unscientific testing, the zoomed in Quick Look image has just a hair less clarity compared to the same image zoomed in using a graphics program -- but nothing to gripe about![robg adds: You can also zoom in and out by holding Option and using the scroll wheel on your mouse, or two-finger scrolling on a trackpad. This technique was mentioned in the comments to ...

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