It was showcased in Moscow last month, but it seems it will arrive late (it's still unkown how late) and with limited functionality. What makes this keyboard special is the fact that all of it's keys are small OLED screens, measuring 10,1 mm² each and with a resolution of 48x48 pixels. The idea behind the technology is to achieve characters (or graphics) that change in response to the aplication in use. This means, of course, a lot of driver work, at this is where the problems are arising.

It was expected that, clients that already placed their orders in May would be receiving it before the end of the year, but it doesn't look like that promise will be fulfilled. We are only talking about 200 units to begin with, with quatities that will not increase significantly in the next months. This shortage won't be a problem:

The Optimus Maximus, from Artemy Lebedev, will cost no less than 1564$, and if you think nobody will be buying them, just consider that the first batch was sold in less than 12 hours (and they had to wait for the product).