Transitioning from Office 2003 to 2007: http://office.microsoft.com/en-us/training/HA102295841033.aspx This page has links to Interactive guides for Word, Excel, Access, and PowerPoint.
2007 Office System Training courses: http://office.microsoft.com/en-us/training/HA102255331033.aspx
Word 2007 Demos: http://office.microsoft.com/en-us/word/CH100740901033.aspx
Excel 2007 Demos: http://office.microsoft.com/en-us/excel/CH100740791033.aspx
Interactive Word 2003 to Word 2007 command reference guide: http://office.microsoft.com/en-us/word/HA100744321033.aspx?pid=CH100487431033
Interactive Excel 2003 to Excel 2007 command reference guide: http://office.microsoft.com/en-us/excel/HA101491511033.aspx?pid=CH100648241033
Word 2007 Online Tutorial: http://office.microsoft.com/training/training.aspx?AssetID=RC100664431033&ofcresset=1
Quick reference for Word 2007: http://office.microsoft.com/training/Training.aspx?AssetID=RP100664491033&CTT=5&Origin=RP100664381033
PowerPoint: http://office.microsoft.com/training/training.aspx?AssetID=RC100687671033
