Top X keyboard shortcuts in OS X - Super Get Info

When a keyboard shorcut list includes something useful I'd never heard of, it deserves a posting:

Top X keyboard shortcuts in OS X - The Unofficial Apple Weblog (TUAW)

...cmd + opt + i - Most of us know about cmd + i, which is the Get Info command, but if you throw opt into the mix you now have a window widely known (yet undocumented) as "Super Get Info." This handy window is basically a live Get Info window, changing with each file and folder you click on, enabling you to view and alter many file and folder stats (such as Spotlight Comments and what apps open what files) with one single window...

Update 5/12/07: Apple has updated their official keyboards shortcut list, but there are yet more that are unlisted. As a general rule, if you want to do something on a Mac and can't do it, try combinations of the modifier keys.