I’ve been checking out Unity and it looks quite interesting.
In particular after reading you can use C# as the scripting language, I am left wondering if there is some sort of Visual Studio integration to leverage IntelliSense and all that jazz built into VS.
Unity has a wiki page explaining how to do this. It seems that the latest version of Unity should already allow you to create a Visual Studio project (if you’re running Windows). However, it seems only VS 2008 is supported natively. You can follow this workaround to get it to work with VS2010 (except VS2010 Express Edition) to some degree.