some more win 8 unknown tricks

Win+spacebar Toggles between input languages and keyboard layout
Win+, Peeks at the desktop
Win+Enter Starts Narrator
Win+PgUp Moves full screen window (i.e., the new Metro UI) to
the monitor on the left in multi-mon situations.
Win+PgDn Moves full screen to the right
Win+Shift + . Snaps application and/or moves the snapped app to left
Win+. Snaps application and/or moves the snapped app to right
Win+k Opens Devices charm
Win+h Opens Share charm
Win+q Opens Search charm
Win+w Opens Settings search
Win+f Opens Files search
Win+z Toggle AppBar