Unfortunately the Irix announcement I reported about last week was not about the new Irix 11mm f/4 lens, but about the official release of their 15mm f/2.4 lens – the first deliveries of the Blackstone and Firefly versions are already on their way to distributors and retailers. In Europe you can find Irix lenses on Amazon:
I think Irix still doesn’t have a distributor for the Americas, but US readers can get the lens on eBay. Here is the full press release and some technical info on the 15mm f/2.4 lens: