Visual Studio 2008 GUI

TimL

Arduino in Visual Studio Beta

Is this Open Source, and on all the same platforms as the Arduino IDE (MS Windows, Mac OS X, Linux, etc.)?

I noted at http://www.visualmicro.com/ it saying

A low cost version for amateur use is due for release April 2010

How much does this cost, and how much does the version for non-Amateur use cost?

EDIT: and what is the difference between the amateur and non-amateur version?

GB-)