So... exactly the same situation the Unreal engine was in, before its current open-licensing model starting with UE3? I hear a lot of good things about modern

So... exactly the same situation the Unreal engine was in, before its current open-licensing model starting with UE3? I hear a lot of good things about modern idTech. Pervasive multithreading is one, and it's not particular to the FPS genre.