Are any of us really super concerned about our karma rating? Don't get me wrong, it is a great little perk; however, I doubt the community at large is biting t

Are any of us really super concerned about our karma rating? Don't get me wrong, it is a great little perk; however, I doubt the community at large is biting their nails in concern over their rating. Although, I did learn in this thread that there is a threshold where you can start down voting items depending on karma? Completely unaware of this.