I simply went to Yahoo Search and did various 2012-related searches. I got over one billion results, but only looked at about 50-100 of them. I found some good explanations of the phenomena supposedly associated with December 21, 2012, many predictions positive and negative, warnings of things to come, and a few websites selling "survival" gear and offering survival tips. I've included a few below, with my opinion on which are the most nformative and/or entertaining.
If you find a website that you think beats my winner in any category, EMAIL ME about it and I'll consider changing to it.