Sony has officially revealed plans for Skype on the PSP at Consumer Electronics Show. The peripheral has been readily available in Japan and Europe for quite some time now, but now there is proof that its coming to the US.
The Sony CES website reveals that the peripheral will work with navigation software, provided on UMD. "Your PSP will provide 2D/3D locations, driving directions, POI's, and even downloadable city guides. With an easy search feature and customizable settings, GPS on PSP is the easiest way to navigate new areas and new cities."
No official release date or price has been revealed. Hopefully its soon and affordable.