If I had one link to recommend it would be this one. Stumble Upon can be configured to find the stuff you like, pages which have been recommended by others, pages it would be difficult to find with a browser. You get to choose from a huge list of categories to identify what sort of pages you get to see. Install the toolbar on your browser and hit the stumble button to be directed to a site from your list of interests.
It is of course possible that I could be directed to malicious sites unwittingly, I have reduced this risk by using the excellent no script add on for firefox which stops scripts from autmatically running on any sites I might randomly jump to.