"Sales of Windows XP licenses to OEMs ceased on June 30, 2008, but continued for netbooks until October 2010." http://en.wikipedia.org/wiki/Windows_XP
If they allowed the sale of products beyond the point of original support, we shouldn't be commending them for extending the support.
My personal expectation if I were to purchase a system with an already outdated OS, is that I would receive updates for at least 2 years.
Point well taken though.
"Sales of Windows XP licenses to OEMs ceased on June 30, 2008, but continued for netbooks until October 2010." http://en.wikipedia.org/wiki/Windows_XP