I have been using this to play COD:Black Ops and am looking forward to the Conduit 2. There are not many options for headsets for the Wii, but this one works very well.
Pros: - Comfortable - Good volume level - nice sound and clarity - simple controls for volume and mute options
Cons: - The cord. Not the cord itself (it is very light), but the fact it is not wireless and there isn't an option out there for one on the Wii. X-box and PS3 owners have so many bluetooth options. I hope Nintendo fixes this with the Wii 2 and makes an official headset.