Since that might interest some people, here's a detailled plan for a next gen engine, from Sam McGrath, lead developer of the original Savage (RTS/FPS).
Since, McGrath founded is own company and started a new engine.
http://www.offsetsoftware.com/news.html
Since, McGrath founded is own company and started a new engine.
http://www.offsetsoftware.com/news.html