I found this video on Youtube. It's a Thunderbolt 1000T doing a one cycle test. It's one of those rare 1000T's with 4/5 ports. I am visually impaired, so I can't see the video, and I can't tell you whether I think it looks real or not. It sure sounds real. Check it out.
http://www.youtube.com/watch?v=WGIbghrO0Nw