I'm not a WinForms programmer and never really have been and have lived for several years (comfortably) in the land of mark-up and web applications. I understand the techniques and challenges many WinForms programmers will be facing when trying to get to grips with Windows Presentation Foundation and I found a great source of articles aimed at helping Winforms programmers learn and get to grips with WPF by Jessica Fosler of the 'Cider' team.

Getting started in WPF from a Windows Forms perspective