I very much enjoyed this film and like a previous viewer found it very funny from start to finish. I'd also like to add that contrary to the derogatory comment left by another reviewer, I do not 'just find people dying funny' and am actually rather difficult to please film wise. This film is very slapstick and the situation becomes increasingly ridiculous, and it is the differing way the main characters deal with the unfolding situation that makes it particularly funny.
Personally I am not a big fan of violent films, even if it is under the guise of black comedy, but I didn't find this one particularly violent, and it is delivered in such a way that it is really secondary and just a vehicle for the characters to bounce off of. If you have a wry sense of humour, enjoy shows such as Black Books, Los Dos Bros, Spaced and The League of Gentlemen as I do, I have a feeling you will appreciate this film.