Hopefully the TX20 has eradicated the 6 second delay you get with the TX10 when you press the video record button! That's a major failing with the TX10 which I was amazed made it through the QA process.
One thing that struck me is motion jpeg for the movie format, 1080p recordings in that format will be pretty enormous!
Get a weekly update of all that's new in the digital
photography world by subscribing to the Digital Photography Review