This morning, you can watch a live webcast of the media briefing for Rosetta's swingby from ESA's European Space Operations Centre, Darmstadt, 08:00-09:00 CET. You can see the webcast on any of the following URLs:

ESA Livestream channel: http://www.livestream.com/eurospaceagency
ESA Operations: http://www.esa.int/ops
ESA Rosetta special: http://www.esa.int/rosetta