Watch my gear pages for in-stock status and easy-click links. (Various pages for different brands, etc). Be sure to refresh the page in your browser (cmd-R in some browsers).
Update (Wednesday): the 18/3.8, 21/3.4 and 24/3.8 are in stock. All three of those lenses are superb.
Update (Thursday): the 18/3.8 and 21/3.4 sold out yesterday, but the 24/3.8 Elmar-M is still available and if anything, it’s a little bit better than the outstanding 21/3.4 SEM. ALSO, a number of the Zeiss ZM lenses for Leica M are in stock. And the 18/3.8 popped back into stock.
As I write this, the very hard to get 50/1.4 Summilux is IN STOCK at B&H, along with the 28/2 Summicron and 35/2 Summicron.
Update: that 50/1.4 Sumilux lasted all of 1/2 hour. Watch my Leica gear page for status changes; most days it updates every 30 minutes (working hours) and I often see it update before the B&H in-stock email arrives. Ditto for all the other pages. Remember, red means out of stock, and blue means in stock.