IE9 not supported by XP, not now, not ever. bah! *ROFLMAO*
Click Image above to go to the PC world article.
98% of XP users WONT care. which is why they chose to stick with XP in the first place. the other 2% will shoehorn DX10 into XP and run IE9 out of spite… and then use chrome/FF/Opera to to blow raspberries at it.