I have a Portenzo that I received maybe two weeks ago, and I think it must have the new spine. It is quite stiff and stays in the typing position very well. I absolutely love the case!
How does Portenzo handle the camera in its iPhone case?
It doesn't, there's no camera hole
QED.
So why think their iPad case will be any different?
If iPad 2 comes with the rear-facing camera, both DODOcase and Portenzo Case would need a rear cut-out on the case, which would look ugly. How would DODOcase and Portenzo handle the new design of iPad 2 (if there will be any change to the current iPad design)? If they keep the same design, the corner pads holding iPad will be put to the test (by taking iPad in and out for the rear camera).
Just FYI, DODOcase just sent out a mailer and they mention that they are preparing for the new iPad release...you can sign up on their site for updates about the newly designed case they are working on.