The two cpu setting for dual core cpus is nothing new here actually. But once you set it and forget it you tend to overlook it!
You simply clck on the boot tab>advanced options and set the number of processors to 2 there. About a pair of the freebies in the article seem to be worth a look while others are a bit cumbersome. The reg edit for the Aero Peek does help for showing the desktop? but not speeding Windows up.
The two main things mentioned there take note of however is the MS Security Essentials and "Create a System-Repair Disc"!!!
How often do you hear someone complaining they can't get Windows to even load let alone simply be starting up a bit slower once everything is loaded on? For those with laptops or simply without any recovery disk for a preinstalled 7 on a new desktop 7 now sees that option included!
Sometimes that may even help when Windows is loading slower then normal for some reasong where the startup repair is needed to correct a problem. If you don't a burner or lack any optical drive like having a second HD in a laptop you write an iso repair disk image to a usb flash drive to keep onhand. The same people that came up with EasyBCD also have some repair disk images available. Download Windows 7 System Recovery Discs — The NeoSmart Files