Hi,
I share your feelings about scope. All movies should be screened in this format, in my opinion :)
I was using Konvas and Lomo anamorphics a lot. It's a nice tool, however I must warn you that they can turn your shoot into nightmare, as well.
There are two important things:
Lomo lenses are rated 1,4 (!) but never go below 5,6! Otherwise forget sharpness.
Loading a mag is very tricky and tiny mistake will result having a "stock salad" in your camera.
If you are aware of these problems shooting with Konvas will be certainly an adventure and you may expect outstanding results.
The best place to buy Konvas is still Ukraine and St. Petersburg for Lomos. Curently, I don't have any contacts, but I remember you could buy new Konvas in Kiev for 1500$, including set of prime spherical lenses.
Lomo anamorphics use to be available in St. Petersburg, but they were much more expensive than the camera.