Hi!
For those of you who loved to play text adventures (Where Infocom was one of the companies on this), on Nookdevs there is a program that will help you do that :
Nookzax :
http://nookdevs.com/NookZax
Here is my complete INFOCOM text adventures collection (with Manuals and solution).
Link deleted
I think they are abandonware, so there is no trouble on putting them here.
Enjoy!