Convergence from the other direction: Check out the infinitely-configurable Red Epic DSMC (digital stills and motion camera), as the name implies a digital motion picture camera capable of shooting high-quality stills. Most of the money pictures are on page three of the linked thread. For one thing, it's the camera many have been asking for, on which you can replace the sensor only while keeping the rest of the camera intact. And speaking of sensors, check out that sensor option page: you can choose any sensor size you like, up to the "Mysterium Monstro," a 186x56mm digital "6x17"! Zowie. For once, a hyperbolic product name seems just right.
Mike (Thanks to Iñaki)
ADDENDUM: See Michael Reichmann's succinct explanation of the Red line and its implications at The Luminous Landscape.
Featured Comment by Vikrant: "Here's a link to a wonderful piece by Wired on RED and Jim Jannard."