SOA & WCF
Service Oriented Architecture Discussions
http://www.codeplex.com/servicesengine - is a Microsoft project released to CodePlex. This project has definitely grabbed my attention but I would really like to understand it better. So far I know it provides guidance around WCF Services. But does it simply help you generate a WCF based service tier or the MSE more like an Enterprise Service Bus implemented with WCF? If you can provide clarity on this project please do so.
IBM's Web Service Definition
I saw this article on Code Project and thought it was a really cool idea. The author has created a solution for exposing a server's event log via an RSS Feed. As the author mentions it is important to consider security.