Well, this is certainly going to be a popular lens here! Voigtlander announced that impressive 10.5mm f/0.95 lens! There is yet no info about price and availability but I am sure quite some readers here are having a huge smile on their face!
The closest lens to the new Voigtlander is the shoplink 48366 ebay]21mm f/1.4 Leica for a bit less than $8,000 on eBay[/shoplink]!
For the record. These are the other three Nokton f/0.95 lenses:
Nokton 25mm f/0.95 ([shoplink 36580 ebay]here one Bay[/shoplink]).
Nokton 17.5mm f/0.95 ([shoplink 36581 ebay]here one Bay[/shoplink]).
Nokton 42.5mm f/0.95 ([shoplink 41062 ebay]here one Bay[/shoplink]).