Google's still doing a fine job of ignoring Gcal's inability to routinely provide alerts and notifications to select users (nah, we're not bitter), but at least the Gmail team seems to be firing on all cylinders. Just this week, the outfit revealed its newest Labs feature -- Preview Pane. As you've probably gleaned from the title, it provides a "tablet-like" layout that's actually similar to standalone mail clients from yesteryear, and for those with more vertical space than horizontal, there's even an option to split the divider in that manner. In practice, we found it drop-dead s
