This will be old news for some of you, but if you head over to http://forums.augi.com/showthread.php?t=97765&highlight=EDIT+KEYNOTE&page=4 you will find a link to http://www.emc2architects.com/revit_tools.html where you can download a very handy Revit Keynote Manager for free!
Keynotes are a powerful tool that Revit wants you to use. They are often overlooked and under-utilised. If you want to increase your productivity and add more intelligence to your model while annotating, have a serious look at Keynotes.