I was in fopp Bristol today and they had loads of limited edition dvd's and blu rays for three pounds. The ones I picked up were transformers 2 bumblebee packaging, watchmen dr manhattan, away days and this is England. They had loads of these and was told by staff it was nationwide.
They also had watchmen dvd with rorsash packaging, take that circus boxset and literally loads of others. I will upload pictures as soon as I'm home.