The X-1 also sells at $2000. Of course, a lot of that is for the Leica premium.
The Sigma DP line is much more affordable, and has been around for a couple of years. They seem to have a solid following but haven't really taken off. It does/did have some well known glitches though, so I could see why.
There is also the Ricoh GRD with the macro lens/sensor attachment that is APS-C, but that's another thing altogether.
These cameras, at the prices they go for still only appeal to a limited group. Or maybe they appeal to a large amount of people, but the prices keep them away. They would be perfect for owners of DSLRs that want something really compact to use when size matters, but I think at the moment they're too close to EVILs in size and price. I think most would choose the flexibility of EVILs, especially those used to a DSLR system.
Now, if Pentax released one with an APS-C sensor, top of the line weather sealing, or better yet weather proofing, and a lens with a max aperture of f2 or better, I would buy it the day of release. I doubt any other manufacturers would think to weather seal such a camera, at least not early on, so it would probably have to be from Pentax, but I'd buy something like that from any brand. Although I would love a small FF in K mount, that might be my absolute dream camera.
Originally posted by Aristophanes Leica just made one. The X-1. Only APS-C:
Leica Camera AG - New Products
Now look on their website how that is positioned in a line with the P&S re-branded Panasonic V-Lux. Take out the OVF, add a bigger sensor, less zoom, but killer low-light portability
Someone will follow this trend. I would not at all be surprised at Photokina to see a major player pulling a digital rangefinder out of a hat with an APS-C or M4/3 sensor, basically NEX size with a fixed lens. No one is going to let the revenues going to Leica go unchallenged. The rangefinder market used to compete very well with the DSLR market (in fact, it was perhaps more profitable unit-by-unit).