I posted a build of the WPF Feature Montage that works with RC1. This is a great demo that walks through all the features of WPF in an amusing way, first delivered by Fil Fortes at MIX06 . He uses lots of clever techniques that are worth pilfering. Also...

If you haven't heard, all of the various pieces you need to do development on WPF are available now for RC1. A few things I wanted to chime in on: --If you haven't checked out the new Cider, do it! The XAML/Designer split view is worth downloading...