For those who want an easy way to try out a classic TBA:

[Yourself]

BBC put up an updated Hitchhiker's Guide with some minor graphics and a phone-friendly interface
http://www.bbc.co.uk/programmes/article ... ry-edition

It's not the most welcoming of the Infocom games I've tried (Planetfall and Wishbringer seem like the best places to start) but if you're a fan of the franchise or just want a sampling to compare to Counterfeit Monkey, check it out.