Currently I am trying to investigate Wiki and PHP options for the project. I had a discussion with Stefan in my year where he was very helpful and explained a number of issues with what i want to achieve, mainly that i am looking to create something that's very ambitious and complicated. He explained about Remote Hosting and helped me clarify a number of issues I have regarding user submission and authentication.
Websites I am looking at:
Still unsure whether i can do this all myself or whether to start begging for help from altruistic programmers ;)