It's been far, far too long since we've had an excuse to run that rad picture of dinosaurs with laser guns. It's also been some time since we offered up a gentle reminder about the delicate dance that is the Engadget comments system -- and since things seem to have gone off the rails a bit lately, we've found a good way to accomplish both tasks. After the break, you'll discover everything you need to know in order to become a valued member of the world of Engadget commenting. As ever, we reserve the right to delete those comments that we deem to be trollin' or hatin' -- and to ban repeat offenders. We don't l