The Linx 8 is easily one of the most popular tablets around the £100 mark, and GAME appears to be the cheapest retailer at the moment, at £75 in-store. Amazon, for comparison, comes in at £89.99.
Linx 8 tablet specs include an 8in display (800 x 1280), quad-core Intel Atom processor, Windows 8.1, 1GB of RAM, 32GB internal storage, 2MP front and rear cameras, and a 4,000mAh battery.
In-store only. Not available online.
Linx 8 Windows tablet, 32GB, £75 in-store @ GAME
(Thanks to FraserGJ at HUKD)