It's one more day closer to Feb. 14, which means another day for companies to pawn off their wares as a special Eneloop Kairo" (who could resist such a sexy name?), a palm-sized heater presumably meant to warm one's hands, if not the heart. It's available only in Japan--we had no idea that Valentine's Day was so big there--but fear not, Romeo. You can always spring for a pair of Brando's . Classy.. The latest is the "truly romantic" Sanyo "