Think your "high-def" camcorder is hot stuff? Think again, vaquero. Sony's swerving around the low-end and waving jovially as it laps the mid-range with the HDR-TG5V Handycam, a decidedly upscale pocket camcorder that's capable of logging full 1080p clips and holding 16GB of data. Moreover, the HD camcorder includes an embedded GPS module, minimal buttons and a new intuitive user interface for the touch-panel LCD -- something we harshed on in our review of the TG3E last year. The built-in GPS antenna and NAVTEQ maps enable photos and videos to be geotagged, and you should be able