Toss-up. Quad might be more future proof. Until applications arrive that utilize multi-cores a fast dual core will perform best. Today you still see a lot of people buy the E8500 and overclock it to play demanding games.
You are about to answer a thread that has been inactive for more than 6 months. If you still wish to proceed, please ensure that your posting is original and does not duplicate or overlap any prior responses to this thread.