XP SP2 Can Slow Down Business Apps
 

Mobile PC magazine installed XP SP2 on a bunch of notebooks and benchmarked them, finding that SP2 caused a 9-percent performance reduction in business productivity apps. While a couple of notebooks performed better, the majority took a 3- to 22-percent performance hit

http://www.mobilepcmag.com/

gee how long will microsoft screw up with xp ?

smart poeple take good advice: switch or stick to win2000