Being from the UK, Dead Creatures, while far better crafted than I, Zombie (Parkinson's a BBC man I believe so it should look damn good) just reeks of Ken Loach/Mike Leigh realism which sits at odds with the exploitation feel - no bad thing, but it does lend a "Sunday Night TV" feel to the proceedings. Which if you live in Blighty makes one shudder.
Full marks for effort, it's truly something original and non derivative, a far cry from the carbon copy excreta that we usually create, but it didn't gel for me unfortunately. Dreary and incredibly atmospheric to be sure - I think Parkinson's one to watch for the future however.