Im a veggi and eat a fair bit of Quorn for my protein... Saw this and thought its pretty good considering everywhere else these packs are £1.60+ (checked Asda, Tesco, Iceland).
2 for £2 is a bargain... so Ive stocked up from my local store, presume this is nationwide!
Product info: http://www.quorn.co.uk/products/Chicken_Style_Pieces_(Chilled,_Frozen).aspx
Not sure when promotion ends..