You can download the extension here:
NavigateToTest Visual Studio extension

Some time ago I blogged about the GoToTest macro I use in my daily work.

Recently I decided to create a Visual Studio 2010 extension.

Extension is convention based. It matches ClassName file with ClassNameTest or ClassNameTests and vice-versa, so you can easily navigate to the test file and back.

Here are some screenshots:

You’ll need to add toolbar manually:

Here’s the toolbar:

And two opened files:

You can download the extension here:
NavigateToTest Visual Studio extension

In VS2008 this could be done easily, it was just required to modify the registry.

Visual Studio 2010 lacks this feature, but there is a cool plugin for that:
Editor Guidelines.

Just download, install, and put the following code in to the registry:

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio10.0Text Editor]
"Guides"="RGB(255,0,0) 80"