Originally Posted by
AOD_Hammie
Exactly that. OCing, in some cases can mean the difference between maybe 10-15fps or greater if it's a CPU heavy game. Sometimes that number can be increased greatly when used in tandem with an OC'd GPU.
Make sure that if you do OC, you have adequate cooling and airflow. Read up on some guides too on voltages, how to increase clock speed, and test for stability when OCing.
It's entirely up to you if you want to OC or not. That being said, getting a K series is never a bad idea.