For what it's worth, Calgary Flame Mike Cammalleri deserves a one-game suspension just as Philadelphia Flyer Dan Carcillo did for his nasty bit of business because a head shot is a head shot is a head shot.
Carcillo got his supplementary discipline because he was on the ice, in the dying seconds of the game, taking a faceoff he had no business of taking and gave his Pittsburgh Penguins' counterpart a shot to the head.
Cammalleri was on the ice, waiting for a faceoff, when he squared off with Chicago's Martin Havlat and let him have it to the head. Cammalleri had just as much ime to think about what he was going to do as Carcillo did.
That said, if the NHL really wants to eliminate head injuries via cheap shots, it should stick to the basics: hit a guy in the head, the way Carcillo and Cammalleri did, and you're suspended.
Don't muddy the waters debating how one incident was different than the other. Be decisive.
Or maybe the NHL doesn't care as much when guys get head whacked in the postseason. It builds character, doesn't it?