Although it isn't true GPS like the iPhone 3G (and possibly the unannounced iPod touch), Eye-Fi is now offering Apple's iPhoto users a way to organize their pictures in Places without having a GPS-enabled camera.
Places is an iPhoto feature that organizes photos around where they are taken and arranges them in an easy to decipher Google Map. Although you can manually tag photos to the general area where they were taken later, the process is tedious and time consuming.
Eye-Fi is targeting Apple's iPhoto users with their new Geo Card (