In reply to Jon Stewart:
This might seem a pointless answer as they aren't currently showing the film you're after, but as you asked
> Do I have to accept that unless you like banal mainstream cack, you have a choice between the inconvenience of buying on DVD or the pain and misery of bittorrent?
I thought it might be worth you knowing about Curzon Home Cinema.
They show knew releases (you can watch online on the same day as a cinema release), and an eclectic and changing mix of older films. Always worth a browse.