Olympus pins future hopes on mirrorless format

No, it's micro four thirds.

Preliminary reviews around the web seem to be quite positive, although unforfunately autofocus is still not quite there. When the price comes down a bit after a few months, it should be a very interesting competitor to more traditional mid-range DSLRs.

Is this camera full frame?

If it's mirrorless why does it have an old fashioned reflex hump in the middle?