The GPS receiver for the Sony PSP is about to find its way out of Japan and into US gamers" hands. According to Sony"s CES 2008 page, "Your PSP will provide 2D/3D locations, driving directions, POI"s, and even downloadable city guides."
No official release date or price - the peripheral in Japan retailed for approximately US $51. Of course, if you"re impatient, you can always hack the PSP now.
[Via PSP Fanboy]