I bought a Widlux F7 from a forum member last year, for much less than the price quote above. I have been using it quite a bit since, and think it is a brilliant camera. Very compact for its panoramic format, very well made, and takes very interesting photos.
I also have a regular perspective 35mm panoramic camera (home-made X-Pan knok-off), and found widelux's perspective unique and suitable for most situations. I developed a proper grip to keep my fingers away from the lens, as well as keep the camera level. The warping effect is seldomly objectionable.
In the very beginning there were occasional banding (not very severe). But after some regular use, there is no more banding.
I have taken the Widelux as the only camera for a few vacations, and the results have been quite satisfying.
If you can find one in good condition under $1000, I will highly recommend it. The new one, if it ever gets built, will certainly be much more expensive than that.