Just passing along the word, if you caught my MIX '09 talk this year (or grabbed the sources), I demonstrated the Silverlight Toolkit's charting components running on WPF. At the time, I mentioned that we had high hopes to bring them into WPF, and that has finally happened!
More on David Anson's blog post about the WPF charting components.
Jeff Wilcox is a Software Engineer at Microsoft in the
Open Source Programs Office (OSPO), helping Microsoft engineers
use, contribute to and release open source at scale.