That was pretty painless, looks like Picassa reads the iPhoto library pretty cleanly. Current ETA is 2 hours to process all the faces in my photos. Not very multithreaded, but not bad for the collection I have. The amusing thing is that I also let it scan the rest of my pictures folder where I have various wallpapers and such, and it identified this face:



Attachments
Screen shot 2010-09-11 at 18.46.08.PNG