This guy will have to wait for his younger brother.
It was available to buy starting noon local time. I refreshed the page until the buy option became available, but kept getting an error when submitting payment. Waited about half an hour and now it’s sold out. Ni modo I guess.
The PS5 DualSense is definitely the second-best choice if you can’t get a Steam controller. It has comparable features, although I personally feel like the touchpads are placed in suboptimal position compared to the Steam controller. It also has comparable build quality, unlike Microsoft’s various iterations of Xbox controllers that all have absolutely disastrous build quality.