Well, since i'm a Dutchguy and many Dutch peeps visit this site... I can post this.
This first 17 MB big SP1 pack for Office XP Dutch contains many updates.
On the microsoft site, it is not known what bugs or functions were fixed or added.
Click on Read More... for the list of updated products and a direct download link.

This Service Pack contains all updates for Office XP :
Outlook 2002-update: 21 june 2001 Word 2002-update: 21 june 2001 Publisher 2002-update: 21 june 2001 Office 2002 Web Components-update: 9 august 2001 Outlook 2002-update: 16 august 2001 Office XP-activeringsupdate: 4 october 2001 Outlook 2002-update: 4 october 2001 PowerPoint 2002-update: 4 october 2001 Excel 2002-update: 4 october 2001
Click here for direct download.