This is part of there Pay Day Sale, so it's only a temporary offer but you can choose any 3 from over 200 films for only £10 but not only that, you'll also receive 6% cashback if you go to the site through Quidco.
Choose from any 3 DVDs for £10 with over 200 choices available and these are some of the best that i spotted, hope it proves helpful but i know there's more little gems around:
-Million Dollar Baby
-Die Hard 2
-Friday Night Lights
and nearly 200 more, hope this proves helpful and once again, don't forget to go through Quidco for 6% cashback.