Has the Microsoft sidewinder X4 keyboard discontinued? I am looking to buy one in the UK but the only place I can find one is on amazon for £800 when it was only £20 .
http://www.amazon.co.uk/Microsoft-JQD-00006-Sidewinder-X4-Keyboard/dp/B0037KLSS8/ref=sr_1_2?ie=UTF8&qid=1386510158&sr=8-2&keywords=microsoft+sidewinder+x4
http://www.amazon.co.uk/Microsoft-JQD-00006-Sidewinder-X4-Keyboard/dp/B0037KLSS8/ref=sr_1_2?ie=UTF8&qid=1386510158&sr=8-2&keywords=microsoft+sidewinder+x4