From the info I've read is the internals are just like P2 cards with 4 separate memory cells in a raid 1 configuration with a raid controller and error checking. They just picked a common form factor.

Although P2 was expensive and the form factor has much to be desired, the reliability was 2nd to none in my opinion. If they can bring that reliability, peace of mind, and warranty to an SD card, It'll be a good thing. I haven't read either way whether it will work with non standard P2 products yet, but if so it'll be pretty huge in my opinion.

@Brian202020

They had plenty of space to make P2 converter accept pair of SD cards. It is much better solution that raid on one tiny card.

Apparently Blackmagic will release a camera that does 2.5K Raw for under 3k http://gizmodo.com/5902337/blackmagic-teases-cinema-camera-whopping-25k-resolution-for-under-3000

First tests seem to be lacking a bit in sharpness, but i like the feel of the image and it seems pretty flat too. http://vimeopro.com/johnbrawleytests/blackmagic-cinema-camera