The review hasn't addressed the most important question: will it run smoothly on 512MB of RAM, the maximum I'm willing to give it under VirtualBox.
Currently I often run two instances of XP with about 300MB RAM each and they're quite fast. Vista was built with an assumption that everybody has at least 2GB with half of that going to Vista itself and another half - to Internet Explorer. I hope they learned that some users have a lot less RAM and they like running other software too.