An introduction, overview, and comparison of three similar interactive application architecture patterns: the Model-View-Controller, Model-View-Presenter, and Presentation-Abstraction-Control pattern.

http://ctrl-shift-b.blogspot.com/2007/08/interactive-application-architecture.html
An article on Separation of Concerns which refers to the establishment of logical boundaries to define and delineate purpose.

http://ctrl-shift-b.blogspot.com/2008/01/art-of-separation-of-concerns.html

Links 4thJan 2008

Outlook like sidebar for asp.net users:
http://mattberseth.com/blog/2007/12/creating_an_outlook_navigation.html

Getting Started with WinDBG
Part1: http://blogs.msdn.com/johan/archive/2007/11/13/getting-started-with-windbg-part-i.aspx
Part2: http://blogs.msdn.com/johan/archive/2007/11/26/getting-started-with-windbg-part-ii.aspx
Automated .NET Hang Analysis: http://blogs.msdn.com/tess/archive/2007/12/12/automated-net-hang-analysis.aspx