Collector's edition (T-shirt and Collectors cards) of the second Family Guy feature plus free delivery. If you just want the feature go with 5.99 on Play or amazon, this is the best price I could find for the CE.
Price isnt as good as the Play offer (8.99) a few months ago but that has expired and is showing as 17.99 on there now aswell as amazon. Not sure if its in store too or about quidco.
Doesnt look like its in their offer section so you might find it better elsewhere soon if the price is dropping.
Generally the quality on the CE Tshirts is not great but you never know.
Link might not work...http://www.blockbuster.co.uk/product/dvd/family_guy___the_something__something__something_dark_side___limited_edition_collectors_pack/241646.htm