First things first, unless you wish to join the conversation at the water-cooler about how long it took to install Windows Vista, and gripe about configuration problems, you might want to let the craze pass over a bit before you go out and try to upgrade. Rest assure you Windows XP (or yes, even Windows 98) will still work just fine. The major changes that Vista will bring to the table are cosmetic and not all that necessary, yet. That being said, major changes are happening under the hood as well and should be considerable for some.