http://www.youtube.com/watch?v=nbXlhgR6
and
http://www.youtube.com/watch?v=ZfRMtcrb
Please note the the moleculeviewer is much more fluent in reality. It is a bit "jumpy" in the video which is because of the videocapturing. On my system the viewer has about 30fps on software rendering and 10times that with hardware rendering.