http://www.studychum.comlooks promising, very complete i suppose.. interesting services, really geared towards students, I think might even participate as a tutor..
anyway, here's the blurb from the site:
(A) Hosting over 3000+ subject discussion forums, covering every possible subject, (B) Classified spanning 50 countries listing 200 categories for each country!! © First anywhere in the world to offer consulting services to assist students succeed in every possible way (academics, professional career counselling) with their Tutorials, Lectures, Exam Preparation, Subject Summary, Course Advice, CV/Job Apps, Grammar Checks, Face to Face tuition from professional academics (PhDs, Doctorates, Masters and Distinguished experienced people answering your queries!! (D) Detailed free interaction between student to students, or allowing students unprecedented services in the global village from students consulting to businesses, to activity services (chat,forum,polls,surveys), to project management online to our backpackers corner (E) Enormous information resource to assist research and (F) Unheard of shopping discounts for students ...