Been a really crazy month with a lot of projects all going into production at once. Finally had some time to blog about the progress on my WCF based ESB:
http://www.iserviceoriented.com/blog/post/Building+Our+Own+ESB+-+Publish+Subscribe+Part+5.aspx
There's been a ton of interest in the project for something that is still very early on. Thanks to everyone who has provided feedback so far.