Windows 7 (with aero theme) desktop shortcut & alttab variations.
, the 'switcher' is shown, but you dont have to keep the keys pressed.
Which is nice if you want to tune out for a bit in no man's land Show the XP style alt-tab (without enabling classic theme):
Hold down the left alt key.
Press and release the right alt key.
Keeping the left alt key held down the whole time, now tab-tab-tab awayWinkey+Spacebar shows the desktop temporarily