People say that core 2 duo's are nearly 2x faster then semprons. But lets take a closer look at this?

A processor that does the job for you is what matters to you. If you need your e-peen to be bigger sure, brag that you have this or that or whatever. In the end the results for you is what matters the most. As long as you are satisfied with your results using the processor everyone else's opinions don't really matter. Not all of us need Quad Cores, not all of us need lightning speed processors. But at the current state of this economy, but what you can afford.