If you are truly a keyboard shortcut junkie, Ideazon sells some GREAT customizable keyboards for lots of different programs, including Word and Excel.  Check out my review of these keyboards here.

For more keyboard shortcuts, check out From the Keyboard

Windows shortcuts here

• Access •
• Excel •
• Frontpage •
• Outlook •
• PowerPoint •
• Publisher •
• Word •
• Office Asst •
• Shortcuts •
• Toolbars •
• XP TaskPane •
• Suites •