Have you "Symbaloo"ed yet?
Access your bookmarks anywhere with Symbaloo, a free social service now available in the US both online and on your mobile device. Not only are your bookmarks in visual form but you can also perform a search right from this page. It's a great resource to use in your classroom to go right to your Promethean Planet, Math Online Resources, Treasures or other Langauge Arts series, YouTube, My Big Campus, and any other online resources your use. Just add and customize. Here are a few samples.