I would love to see a tab for users to post their favorite links. There have been several requests to develop a plugin for the Joomla core weblinks component but I don't believe it is possible because weblinks does not record user ID.

BUT it could be doneas as a CB plug for Mosets Tree or even TEG Design's Bookmarks component. I think Mosets is probably the better option but I would like so see either

Sam Lewis from moxie media had developed a CB plugin for Mosets but it no longer works with the new versions of mosets and CB, I have attached it if people want to upgrade b/c Mr. Lewis seems to have disappeared and there is a demand for this plugin, see these links:
forum.mosets.com/showthread.php?t=2386
www.joomlapolis.com/component/option,com_joomlaboard/Itemid,38/func,view/catid,24/id,50680/