One thing I love is key board short cuts. I have been scouring the net and making a list of all the keyboard shortcuts which are new in windows 7. I will continue to add them to this post as I find them. Not all of these are new but I am adding them all in order to have one complete list. This will also be a reference point for me as well.
Windows + Tab
My all time favorite shortcut. This opens a window switcher so you can quickly switch between windows.
Windows + Space
This makes every active window transparent so you can view your desktop. As soon as you release the keys they go back to the original position.
Ctrl + Shift + Click
Hold down Ctrl and Shift while launching an application from the Taskbar or start menu to launch it with full administrative rights.
Ctrl + Click
Hold down Ctrl while repeatedly clicking a program icon in the Taskbar will toggle between the instances of that application, like multiple console windows.
Windows + T
This shortcut has the same behavior as alt-tab but on the taskbar.
Windows + Shift + Left
Windows + Shift + Right
Move a window from one screen to the other when using multiple displays.
Windows + [Number]
Programs pinned to your Taskbar can be launched by hitting Windows and the number corresponding to its placement on the Taskbar. Windows + 1, for example, launches the first application, while Windows + 4 will launch the fourth.
Windows + P
This shortcut opens up a small overlay that lets you configure a second display or projector.
Windows + E
Automatically opens up a new Explorer window to show your Libraries folder.
Windows + Home
The active window will stay on your desktop while every other open application is minimized. Pressing this shortcut again will restore all the other windows.
Windows + Left
Windows + Right
Make a window fill up half of your screen by dragging to the left or right. Once a window is fixed to one side of the screen, you can repeat the shortcut to flip it to the other side.
Windows + Shift + Up
Pressing these three keys while a window is active will stretch it vertically to the maximum desktop height. The width of the window will however stay the same. Pressing Windows + Down will restore it to its previous size.
Alt + P
Activate an additional file preview pane to the right side of the window with this new shortcut in Explorer.
Windows + + (plus key)
Windows + – (minus key)
Pressing the Windows and plus or minus keys activates the Magnifier, which lets you zoom in on the entire desktop. The Magnifier only works when Aero desktop is enabled.