spanspace

I know it exists I have seen one ran...so dont say it isnt possible. I am looking for a WindowsXP live disk much like knoppix. Pretty much its WindowsXP that runs from the CD. I am looking for this to help with my everyday tech duties. Right now I have knoppix, but would liek to get a windowsXP LIVE disk. A co-worker had one but would never share and left the company...If anyone knows let me know pls.