Wind Key + Tab -- Aero
Wind Key + F -- Search
Wind Key + X -- Mobility Center
Wind Key + P -- Projector
Wind Key + S -- Launches the OneNote Screen Clipping Tool
Wind Key + R -- Run (to use Run box)
Wind Key + Left -- Tile Current Window to the Left
Wind Key + Right -- Tile Current Windows to the Right
Wind Key + E -- Explorer (Launches Explorer)
Wind Key + L -- Lock (Locks the Computer)
Wind Key + D -- Show and Hide Desktop
Wind Key + T -- Cycle Super Taskbar Items
Wind Key +Down -- Minimise the current window
Wind Key +Left -- Snap to the left hand side of the screen
Wind Key +Right -- Snap to the right hand side of the screen
Wind Key +Home -- Minimise/ restore everything except the current window
Wind Key + M -- Minimize All Windows
Wind Key + Up -- Maximize the opened Window
Wind Key + Down -- Minimize the opened Window
Wind Key + 1 -- Launches first application on taskbar
Wind Key +G -- Display gadgets in front of other windows
Wind Key + + -- (plus key): Zoom in, where appropriate
Wind Key + - -- (minus key): Zoom out, where appropriate
Wind Key +Up -- Maximise the current window
Alt + Up -- Go up one level
Alt + Left -- Back
Alt + Right -- Forward
Ctrl + Alt + E -- My Computer
Complete list found at Keyboard shortcuts