28 days later is definitely worth an hour or two of your life. After all, it's British - how crap can it be?
(Obviously this is a rhetorical question and is n_o_t inviting a deluge of sarcasm about the Brits or the British film industry as a whole). So there.
It's a cracking film - lots of suspense and overacting. All you could want from a Zombie-flick. Plus a road trip in a black cab. Blimey, I'm gonna do a search this instant