My Japanese is, well, I can say "kanpai" but these screen shots imply that the GPS on this Casio might be usable for navigation and not just image tagging, which would up the ante considerably.
http://dc.watch.impress.co.jp/docs/news/20100109_341568.html
Per DPR (who evidently know more than one word) the camera includes an accelerometer that tracks location out of GPS range.
Cheers,
Rick
