You can practically find XP Pro OEM full install disks for $80 while 2000 will most likely be found in a retail box and cost over $100 on most sites. Some sites see OEMs at $140 0r higher despite the version of Windows. This is why you have to shop by search engine to find the few with the best price. The XP Pro 64bit OEMs run for around $55-$60 when seen.
