Update #2: the video was of course removed from YouTube.
Update: The first camera on the video is the NX10 with the new compact zoom kit 20-50mm. There are some more new Samsung lenses in that picture:
We already know that the Samsung NX100 will come in white. Here is the proof:
Do you see the three cameras on the right? They don't look like anything else in the current Samsung line-up and one of them is white. Maybe this is the expected Samsung NX100. The pictured cameras could also be the Samsung NX5.