The Optimus Maximus is clearly a basic necessity - every single key is a mini-display, freely configurable.

Run, pre-order, while you can,  the first batch will only be 200 units. It’s a cool $1564.37 - never mind that you can buy a really decent entire computer for the price.

(Source: Engadget)

Update (5/21): On second thought, perhaps you should hold out for this input device.  (hat tip: parislemon)