The release of the first (December) CTP of WPF/E and the announcement of the new names and design of the Microsoft Expression tools has generated quite some interest in the technology according to the Technorati search results for WPF/E and Microsoft Expression.
Running the "WPF/E" (codename) CTP (December 2006) SDK Samples is fairly simple but when starting with the development of a WPF/E application quite some questions might pop up. A few examples:
The good news is that all of these questions are answered in the following white papers on MSDN:
Finally you also might want to check out this example, or the result of integrating Adobe's (Flash) and Microsoft's (WPF/E) web technologies: Microbe.