As announced weeks back, the Zune 2 has finally hit stores today in the US - well, will be today, what with the time difference and everything, and there's an onslaught of announcements and info flooding the interweb about the launch. - The flagship model in their new range is the top-end 80GB Zune, shown on the left here, which features a 3.2" screen, and available only in black, for $249.99 in the US. A touch-sensitive navigation button, revamped...