Keep in mind that I'm just having fun. I'm very happy with the CPU performance, these are just observations.
I notice that when I process a DVD, when the video is done encoding, but the software is still generating the DVD structure, the first three cores drop out and the last one stays at about 90% for a little bit. I wasn't fast enough to catch a screen shot.
 I managed to catch it the next time:
There is the old fashioned way of balancing the cores:
Captain, the engines are almost at maximum!