On the BIS Forums, maa posted a link to a czech preview (+video) with Ivan Buchta who is working for BIS. The videos are in czech language but english summaries (translated by Jester) can be found here.
Second video :
Edit:maa also posted a link to another video. Also Jester was so kind to translate the videos for the community. You can read his summary in THIS Forum Thread. Thanks a lot Jester!
Edit2: Jester also wrote a summary of the second video. You can find it over HERE