You've installed the update and it's working fine [img]tongue.gif[/img]
What's your RAM config???
We'd be happy to trade you up or at least have a look at it for you. I can think of a number of reasons depending on what you are doing.
Email if interested.
In Australia and the web site is out of date.
Lots of good deals on Retinas, previous high end MacPros and current MacPro 6 core bundles in stock. [email protected]