Main Link https://upgradeweb.moduslink.com/vista/Default.aspx#en

Microsoft Get Ready Link http://www.microsoft.com/windowsvista/getready/default.mspx

Dell
http://www.dell.com/content/topics/global.aspx/solutions/en/vista_express_upgrade?c=us&l=en&s=gen
Upgrade ordering site available Nov 13th 2006
Customers purchasing a new Windows Vista Capable1 Dell PC with a qualifying Windows XP operating system during the promotion period (October 26, 2006 - March 15, 2007)

IBM Lenovo
http://www.pc.ibm.com/us/microsoft/vista/upgrade.html
System must be purchased between October 26, 2006 through March 15, 2007
Customers must have a valid proof of purchase
A valid Microsoft Certificate of Authenticity for Windows® XP must be affixed to the system
The Vista Capable logo (shown at right) must be affixed to the system
Upgrade ordering site active November 13 2006
Hewlett-Packard/Compaq

http://h20219.www2.hp.com/services/cache/427068-0-0-225-121.html?jumpid=go/windowsvistaupgrade

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 15, 2006
    * Deadline to register March 31, 2007

eMachines
http://www.emachines.com/vista/express.html

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 30, 2006
    * Deadline to register March 31, 2007

Toshiba
http://www.toshibadirect.com/td/b2c/ebtext.to?page=vistaupgrade

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 30, 2006
    * Deadline to register March 31, 2007

Gateway
http://www.gateway.com/vista/index.asp?page=express

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 30, 2006
    * Deadline to register March 31, 2007

Sony
http://www.learningcenter.sony.us/assets/itpd/promos/vaio_vista/index.html or call 1-888-4SONYPC

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 30, 2006
    * Deadline to register March 31, 2007

Acer
http://global.acer.com/support/winvista/index.htm

    * Link is available on October 26, 2006
    * Upgrade ordering site live on November 6 or 13th ?? , 2006
    * Deadline to register March 31, 2007

The promotion period for this offer starts on October 26, 2006. The promotion will end March 15, 2007 and end-user submission for redemption needs to be complete by March 31, 2007.

Your current Windows® OS
Express Upgrade to Windows Vista™ offers
Windows® XP Media Center Edition =
Windows Vista™ Home Premium Edition

Windows® XP Professional Edition=
Windows Vista™ Business Edition

Windows® XP Tablet PC Edition=
Windows Vista™ Business Edition

Windows® XP Professional x64 Edition=
Windows Vista™ Business x64 Edition

Windows® XP Home Edition=
Windows Vista™ Home Basic Edition
Note: You may need to update/reinstall the BIOS and/or some utilities and/or applications when upgrading the OS.