Other link blogs
Matt - 11 Links Today (2007-08-21)
Arjan Zuidhof - LINKBLOG for August 21, 2007
Steve Pietrek - Links (8/21/2007)
Mike Gunderloy - The Daily Grind 1212

Web stuff
Dion Almaer - 2008 SXSW Interactive Panel Picker
Phil Haack - I Knew How To Validate An Email Address Until I Read The RFC
Adam Goucher - Testing javascript
Microsoft Downloads - User Agent String Utility 2

Other stuff
Raymond Chen - At last you can turn off the USB 2.0 balloon
Dave Burke - CS CodeSmith Snippet of the Day
Sara Ford - Did you know... Ctrl+Enter inserts a line above and Ctrl+Shift+Enter inserts a line below?
Mike Taulty - Entity Framework - Various Models to Query, Various Means to Querying
Jeff Alexander - Heroes Needed..
Damon - Performance: Caching vs. Reading from an In-Memory XML Document

Debugging stuff
Scott Hanselman - DNRTV Screencast - ASP.NET Debugging and Tracing Part 2

PowerShell stuff
Daniel Cazzulino - How to use C# typeof in Powershell and PowerShell with TFS: how to perform batch-updates to WorkItems
PowerShell Team - Shared Source PowerShell Projects

Career stuff
Ayende Rahien - Interviewing developers
Scott Hanselman - Sharpen the Saw for Developers and The Weekly Source Code 2

Database stuff
Jamie Thomson - SSIS: Big improvements to Lookup in SQL Server 2008