We've already seen (and written) plenty on the HD2, and we've enjoyed our initial experiences with the device -- but now someone has finally sized up the massive, Windows Mobile 6.5 smartphone with its touchscreen contemporaries and the differences are downright shocking. Just take a look at this beast next to Apple's iPod touch (above) or the company's own Hero -- the displays on the older devices seem dwarfed by the HD2's 4.3