CPU-Control handles the CPU-affinity for multicore systems. Instead of running each process on both CPUs you can define it as you want it. For example, if you want to seperate the firewall and the anti-virus-software from the graphics-application.
Windows Vista from Microsoft takes a lot of resources, we all know that. So here is the tool for easy removal of the unwanted components in order to make Vista run faster and to your liking. vLite can also create the bootable ISO and apply the tweaks directly.