Yes, I've heard of the Regedit method changing E:BfD's screen resolution.
Replace the letter X: with the respective folders for each disk, e.g. Look for the following section, where the letter X: represents the drive you installed the game from: CD1. Emperor: Battle for Dune represents the seamless combination of cutting- edge 3. Aspect ratio (non-widescreen) game and you won't be able to choose widescreen resolutions. Emperor – Battle for Dune is the sequel to the genre-defining Dune II.
