As the noughties sign off, totalfilm.com is asking a simple - but contentious - question...
We've made up our minds ( see the Total Film staff and writers' lists here ). Now tell us your picks using the form below. (The films must have been released in the UK between 2000-2009).
Get your Top Three away to us before Monday December 14th.
The results will be published on the site sometime over Christmas - with the best comments/justifications/insults highlighted and linked.
And look out for the unmissable end-of-decade special issue of Total Film Magazine, out on Thursday December 17th...