In addition to the content posted earlier, here is some great content from the community that showcases integration with these technologies. Here are a few:
- MSDN Webcast: Integrating BizTalk Server 2006 and Windows Workflow Foundation by Mick Badran (MVP)
http://www.microsoft.com/events/EventDetails.aspx?CMTYSvcSource=MSCOMMedia&Params=%7eCMTYDataSvcParams%5e%7earg+Name%3d%22ID%22+Value%3d%221032298240%22%2f%5e%7earg+Name%3d%22ProviderID%22+Value%3d%22A6B43178-497C-4225-BA42-DF595171F04C%22%2f%5e%7earg+Name%3d%22lang%22+Value%3d%22en%22%2f%5e%7earg+Name%3d%22cr%22+Value%3d%22US%22%2f%5e%7esParams%5e%7e%2fsParams%5e%7e%2fCMTYDataSvcParams%5e - BizTalk Server 2004/2006 and Windows Workflow Foundation by Brian Loesgen (MVP)
http://geekswithblogs.net/bloesgen/archive/2005/10/09/56481.aspx - WorkFlow and BRE Example by Matt Milner (Pluralsight)
http://pluralsight.com/blogs/matt/archive/2006/11/03/41629.aspx - Invoking TCP-Hosted WCF Services using BizTalk Server R2
http://weblogs.asp.net/gsusx/archive/2006/11/21/invoking-tcp-hosted-wcf-services-using-biztalk-server-r2.aspx - Invoking WCF services from BizTalk Server using the WSE 3.0 adapter
http://weblogs.asp.net/gsusx/archive/2006/05/10/445991.aspx