lots of media coverage about Picasa, a photo management tool, wow! ehm … hardly interesting.
There is plenty of program with equivalent features AND opensource AND native like
http://www.digikam.org if you like the all in one stuff or gqview.sourceforge.net if you want something lighter…
Those programs were around since ages, improved with time and aren’t in use just because are the new kool thing either because ported by a company known to provide nice stuff using some quite curious tricks or because is written with the new language du jour.
And yes, f-spot is based on a perversion of java that makes it completely non interesting