TechSpot posted a guide about bringing back the old Windows Taskbar to Windows 7
>> Bring the Old Windows Taskbar to Life in Windows 7
Microsoft's latest operating system, Windows 7, brings a slew of tweaks and improvements. While most adjustments are under the hood, the graphical user interface has received a facelift as well. One of the first changes you will notice is the revamped taskbar. Unofficially dubbed the "Superbar," this new feature is essentially a mash-up of the traditional Windows Quick Launch/taskbar and the Mac OS X dock.
>> Bring the Old Windows Taskbar to Life in Windows 7