We knew it was destined for a late-May release, and it looks as if Amazon's going to make its deadline after all. Following a preview of the 2.5 software update a few weeks back, we've got pictorial proof that the new code is being pushed out as we speak. This particular unit is a Kindle DX, and it's not hesitant in showing off the social networking features we were promised. Feel free to poke around in the gallery below, and then fire up your own K