The Eureka 80th Anniversary Special Edition
It is by far the best version of this film. It uses the best print available, the transfer is excellent and the music is good. It would have been nice to have a commentary but the making of documentary is quite good and has a lot of information.
For comparison see: http://www.dvdbeaver.com/film/DVDCompare2/lastlaugh.htm
- This comment is most likely authentic and fairly close to what I intended to say -