On July 14th, the crew members of Mars500 phase one (105 days) were released from the M-pod in Moscow. A Russia Today video is available to have a view on the faces and mood of the interviewed "Martians".
To have an overview of the experiment, you may check the diary published by the european candidates Oliver and Cyrille on ESA website.
Next phase is expected to start end of 2009 - early 2010, with again 6 candidates (probably different ones), for a duration of 520 days.