There are plugins available for that but they are untested;
http://www.kriesi.at/archives/wordpress-plugin-my-favorite-posts
http://nxsn.com/projects/wp-favorite-posts/
There are plugins available for that but they are untested;
http://www.kriesi.at/archives/wordpress-plugin-my-favorite-posts
http://nxsn.com/projects/wp-favorite-posts/