Leica has announced a brand new DSLR system with their Leica S2 featuring a 30 x 45mm sensor (more than 56% larger than 35mm full-frame) delivering 37.5 megapixel in a weatherproof body.
Included is a whole range of new lenses: 24mm ultrawide, 35mm wide, 70mm standard, 100mm short tele, 120mm macro, 180mm telephoto, and 30mm tilt-and-shift optics. You can find all about the new system here.