Trusted Reviews has a handy tutorial for any masochists looking to install Windows Vista on an MSI Wind. The laptop is designed to run Windows XP or Linux, but with 1GB of RAM and a 1.6GHz Intel Atom CPU it’s (just barely) capable of running Vista.
In the end, what you get is a tiny laptop running a resource-intensive operating system. Trusted Reviews found that it took a relatively long time to perform basic tasks like opening folders or launching program. But hey, at least you get nifty transparency effects.