Sorry for the slow follow up post.  For those of you looking for Pete’s deck from the webcast, it’s at http://community.irritatedvowel.com/blogs/pete_browns_blog/archive/2008/03/20/Slides-from-Silverlight-for-Business-Applications-Webcast.aspx.  The demo app Pete showed is at http://www.cookingwithxaml.com/meals/financials/default.html.  The source code for the app is available from http://www.financialdevelopers.com/.  The direct link is http://www.financialdevelopers.com/assets/SilverlightinFinancialsDemonostratorSource.zip.