Next best is £10.99 although you can grab the 3 DVD set for around fiver.
About A Boy (Dir. Chris Weitz & Paul Weitz, 2002):
Growing up has nothing to do with age... Will (Grant) is a 38-year old Londoner living a bachelor lifestyle on the back of royalties earned from a Christmas song penned by his father some years previously. A serial womaniser, Will comes up with the idea of attending a single parents group as a new way to pick up women. Inventing a two-year old son for himself, he meets lonely, bullied schoolboy Marcus (Nicholas Hoult) and his depressed, music therapist mother (Toni Collette). The intelligent Marcus soon learns Will's secret and so blackmails him into letting him hang out at his place and watch afternoon telly. However, what starts out as an uneasy quiz show watching alliance turns into an unlikely friendship...
Notting Hill (Dir. Roger Michell, 1999):
William Thacker (Hugh Grant), is the owner of a bookshop in the heart of Notting Hill in London. One day, by a one-in-a-million chance, the worlds most famous actress, Anna Scott (Julia Roberts), comes into his shop. He watches in amazement as she leaves and he thinks he'll never see her again. But fate intervenes - and minutes later William collides with Anna on Portobello Road. So begins a tale of romance and adventure in London W11. With a little help from his chaotic flatmate Spike (Rhys Ifans) and his friends, Max and Bella (Tim McInnerny and Gina McKee), William seeks the face he can't forget..