Was having a browse through Gameplay site and found this at £11.99, next cheapest I could see is £12.99 at Amazon/HMV. Plus you get 9% Quidco!!
Not played this one myself yet, but I've got the Lego Batman game and it's pretty good!!
"Building on the success of both LEGO Star Wars videogames, LEGO Star Wars: The Complete Saga enables families to play through the events of all six Star Wars movies in one videogame for the first time ever. Developer Traveller's Tales takes full advantage of the unique capabilities of all three next-generation consoles, while also adding new characters, new levels and new features"