After UK (read below), Microsoft has brought the free Microsoft Display Dock offer in US too. If you go to Microsoft Store and buy any of the two devices (unlocked) you can get one Display Dock Free. Lumia 950 XL buyers can additionally enjoy a discount of $150 which makes the pricing of Lumia 950 XL very attractive at $499.
Microsoft has brought back the free Microsoft Display Dock offer back in UK. This time it is available on purchases of both Lumia 950 and 950 XL. The offer currently is valid for only UK market and not available in any other market at the time of writing this post.
Claim your free Microsoft Display Dock, worth £79.99.
Buy Lumia 950 or 950 XL and get a Display Dock. Valid with purchase and online offer registration between 24th May 2016 and 30th June 2016, while supplies last. Redeem promotional code online through Microsoft Store by 30th July 2016.*