I am looking at getting a 2600 GPU for graphics but I am concerned about processor power. I am thinking about the E2180 but is this sufficient? Don't want full 1080p (720p will do). Am I better going slightly higher up to a more powerful processor... Then again more powerful = more power = more cooling = more noise that said... the new E8xx are 45nm.... do these actually have a lower power profile than 65nm chips???