Underutilized. Warhawk and Ratchet and Clank used it well. Lair and Go Sports Ski make me suicidal with them. It could still be a worthwile feature if used properly. It should come with a voucher for Sixaxis controlled minigames.
http://www.youtube.com/watch?v=F1gWECYYOSo
Please Watch/Share this video so it gets shown in Hollywood.