If you like bunny rabbits and have a serious lack of a sick sense of humour, then don't click here.
I've been using the Firefox plugin called StumbleUpon. In a nut shell, StumbleUpon is a community driven website sharing tool. You can hit the Stumble button and it will redirect you to a website that belongs to a category which you selected during the setup. You can add your own websites, too. For more information, be sure to check this It's an awesome way to waste^H^H^H^H^Hspend your time.