Links:
SFOTT: http://oemden.com/?p=717
10.9.2 Fix: http://oemden.com/?p=791
This video details the process to install OS X Mavericks on an unsupported Mac Pro.
Please note while this works perfectly fine, you MUST have a graphics card other than the Nvidia GeForce 7300 GT, as this card will not work properly under new versions of OS X.
