All the photos are Scarlets.

I agree, the form factors shown are not really that much smaller than the Reds.

For underwater camera work, many of the peripheral accessories would not be used though.

It will be interesting to see of Sony has any answer. 1080p is going to go the way of the dinosaur, as all the major flat panel TV manufacturers have 4k TV's that they can go with, they are just waiting for suitable content infrastructure.