Just thought we should all take another look at this. You can ignore me.
Featured Comment by Jeffrey Goggin: "The reason why Sigma can't easily make the DP-2 into an 'M-mount rangefinder' [as mentioned in other comments —MJ] is because they would first have to install a shutter assembly inside the body and as you can surmise from the photo of my disassembled DP-1 below, there simply isn't enough room for that and the necessary electronics. (Yes, it's dead...fell off the roof of my car at 30mph. Oops!) With a fixed lens, Sigma can make the lens aperture do double duty as a shutter, as is commonly done with most digicams."
Mike adds: Wow...sorry for your loss, as they say.