Other stuff
Kailuo Wang - A Class Based Enumeration Implementation
K Scott Allen - A Few Interesting Windows Workflow Links
Daniel Cazzulino - Beware of typeparamref XML documentation tag and Pipelines Using Iterators, Lambda Expressions and Extension Methods in C# 3.0
Sara Ford - Did you know... You can show auto-hiding Tool Windows via the Tool Window auto-hide channel - #133
Sajid Majeed - Finding performance bottlenecks and their resolutions in windows services
Andy Davies - How to use Reflection to test your code
Ayende Rahien - Performance, threading and double checked locks
Roy Osherove - The Case For Typemock
Sasha Goldshtein - Wonders with WCF's DataContractSerializer

Other link blogs
Kent - Evening Reading: 1/20/08
Chirstopher Steen - Link Listing - January 20, 2008
Steve Pietrek - Links (1/20/2008)
David Vidmar - Links of the Week #20 (week 3/2008)
Rhonda Tipton - Weekly Link Post 25

Web stuff
Dion Almaer - ExtTLD: Create Ext components with XML

PowerShell stuff
Mike Ormond - Powershell Batch Rename

Mobile stuff
Todd Ogasawara - Windows Mobile Weekly Roundup