There is a Way to get xp product code from cd itself, It really works!!
I was once wondering around d XP CD......n got dis!!
Jst try it out.....

Just explore the cd then open the folder I386 then open the file UNATTEND.TXT and scroll down to the last line.
You have a product code.

Have fun!!!
Now u'll never need to search for a product code for xp again...!!!

Universal Key for windows XP:
V2C47-MK7JD-3R89F-D2KXW-VPK3J