This article lists keyboard shortcuts that you can use with Windows.
Reader keyboard shortcuts
This is a list of keyboard shortcuts in Mozilla Firefox. If you have enabled Emacs-style text editing shortcuts in GNOME, they will also work in Firefox.
Office keyboard shortcuts - Help and How-to - Microsoft Office O
Windows 7 adds loads of great shortcuts for switching between apps, moving windows around your screen, moving them to another monitor altogether, and much more. Here's a quick-reference master list of the best new Windows 7 shortcuts.
Windows 7 is being officially released on October 22nd, which also happens to be today.