I like the idea of using the N900 keyboard, because it's great. Being able to use the actual keyboard of my/our N900 for the Jolla OH would make it cheaper, although I would prefer to maintain my N900...

N900 keyboard size would let space for the camera, and something like an FM transmiter, infrared, and an maybe optic for the camera could be added in the space left.

Moreover, adding two "legs" to the cover, will let you put it tilted in your desk to see the screen easier.

This could be called the N900 OH Yes yes, I am asking for too much, but let me dream.