This is listed as no longer available, but version 3, a seriously excellent update, is available at Voxengo. Here is my demo of it in action: https://www.youtube.com/watch?v=ZKKMolMmPeM The tone stack has been updated and the sound engine is a major upgrade from v1 and v2. Dynacab is a great new feature. One of the best free amps anywhere.