here are some great links for SharePoint 2010 and InfoPath 2010 (Office 2010), especially for developers! As you maybe already know InfoPath 2010 is a great tool for developing SharePoint 2010 applications - due to various cool features like for example the ability to customize out-of-the box SharePoint forms....
SharePoint Products TechCenter: http://technet.microsoft.com/en-us/sharepoint/ee263917.aspx
SharePoint 2010 Developer: https://channel9.msdn.com/learn/courses/SharePoint2010Developer/
InfoPath Forms Services: http://technet.microsoft.com/en-us/library/cc262498(office.14).aspx
InfoPath Blog: http://blogs.msdn.com/infopath/ (What’s New: http://blogs.msdn.com/infopath/archive/2009/07/15/what-s-new-in-infopath-2010.aspx)
InfoPath 2010 and Forms Services: https://channel9.msdn.com/learn/courses/Office2010/InfoPathUnit/
Office 2010 Workshop: https://channel9.msdn.com/learn/courses/Office2010/
Office Developer Center: http://msdn.microsoft.com/de-at/office/aa905503.aspx