I've been going gaga about saving all the Google logos, until I found this: http://www.google.com/logos/ You can even get an RSS feed of all the latest logos here: feed://www.google.com/logos/logos.xml
LAWL. Nonetheless, I enjoyed Skitching the logos as I see them everyday! You can find those that I was able to save here: http://skitch.com/sweetperceptions/tags#google-logos (Just click on the "google logos" tag)
Here's my latest snapshot (today is special because its my cat's birthday!):
