Symbolic Rename

Right-click on any local variable and select Rename. This will rename all appropriate instances in your code of that variable.

Symbolic Rename works with any property, class or method.

Right click on a form, and select rename. You will see the same result.

Check this for a great roadmap for .NET
Many steps to follow from new, 1.1 or 2.0 perspective.

Interesting article about Source Control with different tools.

Source Control HOWTO

This tool should help you to detect your duplicated code. Check  Howard van Rooijen's Blog : Detecting duplicate code with Simian

Check Excentrics World to get free ASP.NET controls for your applications.

Enterprise Library Hand On Labs
Don't miss them if you are developing with .NET 1.1 and MS SQLServer

Ten Essential Tools: Visual Studio Add-Ins Every Developer Should Download Now

MSDN Magazine, Dec

Check PageMethods, well-defined URLs for your ASP.NET sites by metaSapiens

USysWare DPack Home
DPack is a FREE collection of Microsoft Visual Studio .NET 2003 and 2005 tools. DPack is designed to greatly increase developer's productivity, automate repetitive processes and expand upon some of the Visual Studio features.

TheGambleFamily.Net - Ted's Blog

Download details: Enterprise Library 1.0 Hands On Labs
Enterprise Library 1.0 Hands On Labs

Online Image optimizer
Good DLL Component to use with ASP.NET

Check http://alexfurman.net/ to find a nice IE Automation and testing tool. Don't forget to check the JobSearch tool that uses the previous one.

NeoDataType::Reporting tool allows you to easily connect to any database and print all types of reports. Good work!

Adding a solution to VSS

ASPAlliance.com : ASP and ASP.NET Tutorials : C# and VB.NET Comparison Cheat Sheet

Professional VB.NET, 2nd Edition : Threading

Mike Woodring's .NET Sample Page