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Training video's for end users http://www.sharepointhosting.com/video_tutorials.html

Very nice Sharepoint training kit http://www.microsoft.com/downloads/details.aspx?FamilyID=673dc932-626a-4e59-9dca-16d685600a51&displaylang=en

content types explained in a video http://channel9.msdn.com/shows/In+the+Office/Creating-and-Using-Content-Types-in-Windows-SharePoint-Services-30/

very extensive sets of video training http://www.sharepoint-videos.com/

Sharepoint Designer Videos but still nothing like proper documentation http://msdn.microsoft.com/en-us/office/bb421303.aspx