>From my post a few days ago... a MSDN Blogger slips into Back Pedaling mode very quickly on the file format support issue..
There is good info here to guide you as to whether or not you want to install SP3 to Office 2003. <URL: http://blogs.msdn.com/david_leblanc/archive/2008/01/04/office-sp3-and-file-formats.aspx> Instead of having to do all the Registry Hacks yourself, they have provided some *.REG files via links.
