The mod's creator, a programmer named Tobias Pfaff from San Francisco, has single-handedly added a traditional point and click interface to the game. Even more exciting is that you can play this new version right now (provided you own the original, of course):
Get the mod here!
I have played with the new mod and can confirm that it works amazingly well.
Great work Tobias Pfaff! (Maybe you should consider a job at a certain SF-based game studio? ;)