Joke,
The article you quoted from also states:
"If you use your PC for gaming primarily, I see no reason to upgrade to Vista just yet. Sure, it's pretty to look at, and it has that "new" shine to it, but ultimately it's less stable than XP overall for gaming. The Vista games folder and the Windows Experience Index offer some promise for the future, but in order for us to really reap the benefits, all the publishers are going to have to be on board. Windows Vista will replace XP as the default PC OS in the world, there is no question about that, but there's no reason to adopt it early in this case" --- end quote.
I do agree with you that drivers (particularly nvidia) are creating a lot of problems and also would say that vista can run a lot games without problems -- but if you are building a computer specifically for gaming and you are gaming fanatic looking for the ultimate experience ---- xp would be best choice for now --- in future this might change. With that being said and to be fair, one could elect to go vista early in anticipation for upcoming games and bug fixes --- particularly for upcoming games that are vista optimized and use dx10 --- if i were going this route ---- i would really look at graphic card with dx10 capabilities--- but it may be a while before dx10 games hit the market and dx10 cards are more expensive right now and present dx10 card remain untested--- i guess it may depend on what you want right now for gaming and how much money you want to spend as vista machine will cost a lot more than xp machine to get same (or less) performance as xp machine --- and even then vista machine will have more bugs with gaming.