Originally Posted by Muppet
To be honest, I wouldn't buy a factory overclocked version. They aren't hand picked from everything I have read. There is also no guarantee that they will clock higher than a standard version. Only that they are stable at the factory overclocked speeds. I have never had any issues overclocking a standard card to there factory overclocked ones.
I like the factory OCd cards because they're guaranteed to run at the higher speed for the life of the warranty, and often come with better cooling.