@cadnyc - Install the Windows "BootCamp" driver package - part of that package contains the keyboard drivers that allow these features to work in Windows 7.
@Nintendid - Each to their own. It's like asking Steve Jobs why he let Microsoft help save Apple when it was nearly bankrupt. And then again, why Apple ditched Motorola and went to Intel...
@70tinku - As far as I know, it should work... I can't guarantee sound will work; Apple is on the board of the committee that created the HDMI standard, but I believe that Apple's mini-Display to HDMI Male cable doesn't conform to the HDMI v1.3 standard.
@cadnyc - Install the Windows "BootCamp" driver package - part of that package contains the keyboard drivers that allow these features to work in Windows 7.