That sounds awfully like a grid scheduler (think Sun Grid Engine, and its derivatives), which I greatly welcome: the market (for grid schedulers) is a bit barren at the moment after Sun's buyout.
What's the status on accessing other system resources from containers (e.g. GPUs)? There was some work being done to enable this, but I'm not sure if the eventual solution was "run the container with less security so that it can access the cards", or if there was a more graceful approach