Josh Smith has a new CodePlex project called Thriple - a library of 3D WPF components.
Jaime Rodriguez shares his list of WPF blogs.
Sacha Barber describes what he calls the MVVM Mediator pattern.
Charles Perzold has an article in MSDN magazine about writing more efficient ItemsControls.
And our own Tarang Waghela writes about Implementing M-V-VM pattern in WPF.
New article in MSDN magazine on Strategies For Designing Application Navigation
Cory Schuman has a generic XAML loading control
Dax Pandhi has a free WPF theme
Solution Factory is a Visual Studio Addin that exports a solution as a Visual Studio multi-project template
Brian Harry has "lots of news" about VSTS2010/.NET4.0.
Brad Abrams shows off what's coming in Sliverlight 3 for Business Applications.