London - any film recommendations?

I’m likely to brave the airport chaos and be in London for a couple of days this week. Looks like I can still get across and back with hand luggage as long as toothpaste and deodorant become disposable items. And if the workshop doesn’t run into the evening, there’s a chance I’ll get to the cinema.

So I’m soliciting opinions on which film to consider seeing at the newly expanded Curzon chain of cinemas. (They're now running the Renoir up in Bloomsbury, as well as Chelsea Cinema and Richmond Filmhouse.)

• Alpha Male (directed by Dan Wilde)
• Tideland (directed by Terry Gilliam)
• Little Fish (directed by Rowan Woods)

I’m tending towards Tideland, but I’m interested in your ideas. Maybe I should look at something more mainstream?

(And according to the programme, Zidane: A 21st Century Portrait will be screened from the end of September.)