To help people who want to buy an affordable mobile computer and still enjoy the 7 years old Windows XP OS, HP today introduced that their HP 2133 Mini-Note PCs are now available with Windows XP. The old XP OS applies only to the models priced over $700, though. Several HP 2133 Mini PCs will benefit from the "downgrade Windows Vista Business to Windows XP" option. They are price at $729, $749, $789 and $819 respectively. The $729 version buys a 1.2GHz VIA processor, 1GB DDR2 RAM, and a 120GB hard drive. For an additional $100 you can get a faster VIA C7 1.6GHz processor, 2GB DDR2 RAM, and 160GB 5400 rpm hard drive space. All HP 2133 mini notebooks come with a 8.9-inch diagonal WXGA screen and VIA Chrome 9 graphics. Visit HP's store here for more details.