We're pretty late to this deal, but it's certainly worth covering if you're able to make a purchase within the next two days. UK retailer John Lewis has the Lumia 2520 Windows 8.1 RT tablet listed for just £249.95, which is a full £150 off the normal price.
The listed Lumia 2520 supports 4G LTE and comes with a 10.1-inch full HD display, Snapdragon 800 quad-core CPU, 32GB internal storage, running Windows 8.1 RT, it's a powerful workhouse capable of running apps and games from the app store, as well as Microsoft Office.
Source: John Lewis
Cheers, Steve, for the tip!