The silly little sensor in the latest-gen iPod nano might have you thinking that high-quality video recording isn't anywhere on Apple's radar, but if you look in the smartphone space, HD video is shaping up to be the next gotta-have-it feature among the world's most buzzworthy handsets -- and sure enough, we're getting some hints here that it'll be on board the next iPhone. Remember that mysterious "N89" device in the iPhone OS 3.2 SDK? We've been tipped off that a gander at the MediaValidator.plist file reveals a few telling stats: the maximum video width is up from 768
