Well well, what's this? Our pal Stuart Miles at Pocket-lint spotted an interesting detail on one of Apple's iPhone 4 screenshots: an "Open in 'Keynote'" button while viewing an attachment in Mail. It's since been replaced by a shot that reads "Open in 'iBooks'," but it certainly seems like the iWork suite will eventually make it across the iOS range from the iPad. While we're not going to pretend like that's nearly a big a deal as Microsoft integrating Office into Windows Phone 7, it's still a welcome move, as we kno
