Now you have no excuses NOT to upgrade to Windows 7.
Not only have the ironed out the kinks with compatibility, they have also incorporated Windows XP Mode(which is a virtual session)for older programs that just won't work in compatibility mode.
The only catch is you must have Windows 7 Professional, Enterprise, or Ultimate to run Windows XP Mode.
http://www.microsoft.com/windows/virtual-pc/download.aspx
Contact a professional to help you with this migration:
Computer Repair Lakeland, FL