
I no longer have a 24" ACD, the information I have provided is from memory only.
I know that installing the full Bootcamp drivers to control brightness on Win7 was not possible for me, any changes to the screen such as brightness/saturation/colour etc had to be done through the ATI/Nvidia control panel. It was a real PITA.
As for the USB hub and iSight camera, I believe that worked from the off, Windows 7 installed the drivers without me needing to provide any from the Leopard Bootcamp drivers. Just make sure you have connected the USB cable from the monitor to your PC.
Sorry guys thats all I can really help you with.