I just wanted to say that PowerToys for Windows XP is a free and worthy download. You get Tweak UI and a Command Line launcher. The launcher will let you right click on any directory icon and instantly open a command prompt window in that dir. I've needed this for awhile now.

Here is the Link:

<a href="http://www.microsoft.com/windowsxp/pro/downloads/powertoys.asp" target="_blank">http://www.microsoft.com/windowsxp/pro/downloads/powertoys.asp</a>