This particular ISV thing gets you the following for business use in addition to the dev only MSDN licenses:
Up to five (5) software licenses (for internal use):
Microsoft Windows\ufffd XP or 2000 Professional
Microsoft Office XP or Microsoft Office 2003 (Premium or Developer Edition)
One (1) software license and up to five (5) Client Access Licenses (CALs) for:
Microsoft Windows 2000 Server\ufffd (Standard or Advanced Edition) or Microsoft Windows Server\ufffd 2003 (Standard or Enterprise Edition)
Microsoft Exchange 2000 Server (Standard or Enterprise Edition)
Microsoft SQL Server\ufffd 2000 (Standard or Enterprise Edition)