0844 561 6263 is the currys/pc world customer service number who can tell you who/where has stock of this product. Quote product number 934258.
There ARE still a fair few about. Don't bother with the online service as they don't show accurate stock info.
Absolute cracker of a deal! May be a scramble to find stock, but definitely worth it - cheapest elsewhere is around the £24 mark.
At Currys or PC World
Whether you're scourging your enemies or finishing that latest report, this keyboard will set the pace. Superior gaming features included in the sleek black Sidewinder X4 Keyboard consist of industry-leading anti-ghosting, which means you can press as many as 26 keys simultaneously without confusing the keyboard, so you can fully unleash the power of your most complex in-game key combinations.
As well as this, the Sidewinder incorporates sophisticated in-game macro recording and a macro repetition key, automatic and manual mode/profile switching for extra levels of user/game customisation, and adjustable backlighting for playing in low-light conditions. The Sidewinder X4 Keyboard also offers a full set of media control keys for even more control.
The Microsoft Sidewinder X4 Keyboard is a powerful gaming keyboard, but also doubles as a practical and extremely high-performance tool for everyday computing.