The Voigtlander Nokton 50mm f/1.5 Aspherical lens is currently in stock in Europe and in the US at B&H ($899 for black, $1049 for silver model). Here are some sample images taken at various apertures with the Leica M9-P (see the full set of sample images on flickr):
Additional sample images from the Voigtlander Nokton 50mm f/1.5 Aspherical lens taken with the new M 240 camera can be found on DC.Watch.