I am just catching up on news from the past two weeks: on October 1st Leica announced a new Elmarit-S 45mm f/2.8 ASPH lens priced at $6,350 for the normal and $7,450.00 for the CS version:
New: LEICA ELMARIT-S 45 mm f/2.8 ASPH. Class-leading standard wide-angle lens for the Leica S-System
Solms, Germany, 1 October 2013: Further defining the S-System as the ultimate solution for the most demanding professionals, Leica Camera AG has unveiled a new wide-angle lens, the Leica Elmarit-S 45 mm f/2.8 ASPH. Attaining class-leading critical levels of performance in all measurable areas, the Leica Elmarit-S 45 mm f/2.8 ASPH. sets new standards for wide-angle focal lengths in the medium format category. With this addition, the lens portfolio for the Leica S medium format system is now comprised of nine lenses (six of which are also available in a CS variant) with focal lengths ranging from 24 mm to 180 mm, assuring uncompromising imaging quality in almost all situations. Leica is also offering firmware updates FW 2.3.0.0 for the Leica S and FW 1.3.0.0 for the Leica S2 and S2-P, ensuring the optimum functionality of this new lens.
