I don't know, I think these projects just reduce interactive fiction to the level of a Choose Your Own Adventure, and are often even less interactive than that. There is a lot more room for complex puzzles and interactivity with true interactive fiction games.

As for moving to the Web, Parchment has done a pretty good job of doing that with the Z-Machine:

http://iplayif.com/?story=http://mirror.ifarchive.org/if-arc...