When it rains Bold 9800 news, it pours. Just yesterday we were given a glimpse of its virtual keyboard and AT&T branding, and now BlackBerry's upcoming slider can be seen more fleshed out thanks to the power of moving pictures. No narration for this video -- that's either good or bad, depending on your own personal preference -- and the horizontal menu swipe looks like it's missing some animation, but otherwise the phone's looking pretty snappy for a pre-release. Unless we're mistaken, that's clearly a capacitive screen, and even better, it's got pinch-and-zoom mu