Did you notice that VB.NET has way more code snippets out-of-the-box than C# in Visual Studio 2005?
This can be fixed though. Through Scott Guthrie's blog post on code snippets I found a link to download C# versions of those VB snippets. You can download snippets for certain categories only or you can download all snippets at once.
After downloading and installing, I added the snippets to Visual C# through the Code Snippet Manager. I had to add the directory %USERPROFILE%My DocumentsMSDNVisual C# 2005 Code Snippets. Read this MSDN page on how to manage code snippets.
This is what gets added if you add all categories: