I am sure that there will be a market for this, I can’t say that it would be what I’m personally looking for. From the pictures it does not look that comfortable and as excessbaggae says what happens if there is turbulence.
I have only flown three times with ANZ and all in economy and was impressed by the service and food. The IFE is far better than any other I have used. As I say I am sure there will be a market for this particularly given the length of some of ANZ flights