i got my computer about 3 years ago, and have decided to reformat/reinstall xp. I have found "The Magical Jelly Bean Keyfinder" program that finds the cd key for XP. Question is: Will i have problems with product registration if I install a new 200gb hard drive in addition to my 80gb one? I heard it lets you do certain things, i just want to check. What modifications can I do before it thinks i have a different computer?