Hi, Just to add my thoughts on this matter:
I was checking out the audi demo and that maxed both cores of my cpu (dual core 4400+ amd) . To me this is a good sign. My computer is totally responisive, I have no Max FPS set. The balder implemenation appears to be using WPF's multicore rendering capabilities
excellently. Good work guys. I was running the multicore section of this article:
I have absolutely no issue with 100% cpu usage when it is so responsive.