This one has got to be a good contender,
Click on the link and download the video and watch !!! (2.91mb)
http://media.ebaumsworld.com/index.php?e=fastboat.wmv
Boat doesn't do much at first but then watch it fly...!!!
Basically they are illegally testing it on a duckpond...and yes it gets up to 183mph !!! as you will hear on the video
Regards........Mark.