WPF

Compact introductions and various tips: http://www.wpftutorial.net/Home.html

WPF Threading model http://msdn.microsoft.com/en-us/library/ms741870.aspx

http://jmorrill.hjtcentral.com/Home/tabid/428/EntryId/72/Advanced-Graphics-Effects-in-WPF.aspx

http://blogs.microsoft.co.il/blogs/tomershamam/archive/2007/09/21/wpf-image-processing.aspx

http://dedjo.blogspot.com/2008/04/webcam-control-with-wpf-or-how-to.html

High performance graphics in WPF

http://blogs.microsoft.co.il/blogs/tamir/archive/2008/03/02/how-to-high-performance-graphics-in-wpf.aspx

WPF Profiling Tool: http://windowsclient.net/wpf/perf/wpf-perf-tool.aspx

WPF Internals from PDC2008: http://microsoftpdc.com/Sessions/CL10?type=wmvhigh

Blur text issues: http://forum.evernote.com/phpbb/viewtopic.php?f=53&t=12316&p=48976&hilit=net+registry#p48976

WPF and MVVM pattern: http://msdn.microsoft.com/en-us/magazine/dd419663.aspx

What should a WPF developer know ? http://stackoverflow.com/questions/58739/interview-questions-wpf-developer

Composite Application Guidelines for WPF http://blogs.msdn.com/b/somasegar/archive/2008/07/15/composite-application-guidance-for-wpf.aspx