extended atx was mainly created for users who wanted four pci-xpress slots as its very hard to fit it on an atx board. but yer they support most sockets and cpus but there arent to many around....

you can install it anyway round thier are a lot of good guides around for installing vista then xp or xp then vista just google either of those search terms and you should find the guides!

yes that is true as these will have thier individual licence keys which will be vaild (in certian curcumstances) for upgrades!

if it works speedy with roxio then it must be vista needing an update or your dvd drive needing an update even though your comp may be a month old companies release new firmware and drivers very often

that wont work windows have the right to upgrade your software whenever they chose without your knowledge. you accepted this when you read the licence agrement (yer right) as you are actually only...

your right dannol usb devices do need to be enabled in bios otherwise your computer will keep trying to communicate with the device to identify it and as it is only a mouse it will never reply so...