Blogging software...
I went looking around for blogging software written in a .NET language and saw DasBlog 1.0. It's available in a GDN workspace. Pretty cool. Written in C#. Just saw that they've posted a 1.1 release. I'll have to take a look. (I had made of list of changes I would have to make to 1.0 before I used it for my upcoming separate web site. Perhaps 1.1 has already fixed some of these.)
Another blog application that's just been released is .Text, available from a GDN workspace. Also written in C#. It's the engine that drives weblogs.asp.net, and I'm familiar with the UI and many of the features. I downloaded both the binary and source distributions. (It only took a couple of minutes to get the binary installation up and running on my laptop. Very nice!!!)