Originally Posted by Arma 
ToEE or Lionheart would be nice looking, but probably take longer time to develop than the current (bout a year for a game in my estimates).
Not even a year currently - the last 18 months has seen the release of Geneforge 3, Avernum 4 and now Geneforge 4.
I just think that if Jeff took a year and encompassed a new engine like that he could do amazing things for another 10 years …