Tesco have a Now TV box with 6 months Entertainment pass for £25 also available a 4 months movie pass and box for £25.
I couldn't find cheaper anywhere else and in stock so I snapped up the 6 months Entertainment pack using clubcard vouchers.
http://www.tesco.com/direct/now-tv-h...skuId=654-6825
http://www.tesco.com/direct/now-tv-h...skuId=477-6762