It has been a while and I kind of neglected the blog, but I did publish a bunch of new articles on code project:
Prism for Silverlight/MEF in Easy Samples. Part 1 – Prism Modules
Prism for Silverlight/MEF in Easy Samples. Part 2 – Prism Navigation
Prism for Silverlight/MEF in Easy Samples. Part 3 – Communication between the Modules
Silverlight Animations along Arbitrary Mathematical Paths via Easing
Nick Polyak's Software Blog 