To some this may sound anal, but to others organized

At work, I always have about 12 programs open at once and was wondering if there was a 3rd party application (or a Windows setting I don't know about) that allows you to reorginze the open programs on the taskbar similar to moving tabs in Firefox. I find myself more efficient being able to know exactly where each application is on the taskbar. (see told you it might sound anal )

If anyone knows of this, you will make my day

Thanks!