i spent about five minutes just checking this out. awesome.
This one is definitely worth exploring in point-cloud mode in our Direct 3D viewer. Go here (if you have installed the synther)
http://photosynth.net/d3d/photosynth.aspx?cid=a5183fbb-1aea-4cb6-84e7-b6ee42695562 then press "p". The scrub around with the donut.
NICE !!! Amazing detail !!!