"b) Vista SP3 (aka Windows 7) "
only someone who has not tried Windows 7 could think this.
Running Windows 7 Ultimate.
Why do ya think the 1st advice ya get when you can't find a Win7 specific driver is "Use the Vista driver" ?
Ever wonder why Vista is Version 6.0 and Windows 7 is Version 6.1 ?
Then again, why don't we just take Steve Ballmer's word for it ? Just about a year ago today the Microsoft CEO was quoted as saying that "7 will be a better version of Vista.... In fact, he said that Windows 7 is Windows Vista with a cleaner user interface and improvements in performance. "