In response to a question on www.dpreview.com's forum, I made a quick video of the speed of the Panasonic DMC-FX150.
You can download the video here.
Sorry about some of the subtitling speeds, this was a rush job to answer the question. You can always pause it to read the words.
Further information:
Initial images from Panasonic DMC FX 150
Images at f/2.8, also from DMC FX-150
edit: