here is the differance between xp home and pro

Home and Pro - Differences

Windows XP Professional include unlike Home Edition the follow features: SMP support, Roaming user profiles, Remote desktop, Access control, Encrypting file system, Offline files and folders, Remote installation service, Windows server domain support, Group policy, Software installation and maintenance, and Multi-lingual user interface support (add-on).

tons more here

http://www.winsupersite.com/showcase...p_home_pro.asp

cheers
egghead

Basically Home is a stripped down version of Pro, without all the bells and whistles.
Or at least that is what I got from that article. Thanks for that egghead.
BB