NUnit Add-in VS .NET Shortcuts
Those using the excellent NUint Add-in for VS .NET, don't forget that you can customize your VS .NET keyboard assignments such that a key combination will run the tests in NUnit, or using the debugger.
Using Tools - Options - Keyboard, search for "Show commands containing" NUnit.
NUnitAddIn.Connect.BuildAndTestClient - runs the tests inside the VS .NET envrionment,
NUnitAddIn.Connect.Debugger - runs the tests using the VS .NET debugger.