Even most of the folks who weren't gaga about Grindhouse admitted that they loved the fake trailers. Everyone has their favorite Robert Rodriguez's for the degraded ghetto revenge flick Machete, the class-trash British don't-go-in-the-attic spoof Don't, from Hot Fuzz director Edgar Wright but the one that still tickles me the most each time I unspool it in my brain is Eli Roth's deliciously spot-on holiday horror-flick send-up, Thanksgiving. What makes it a classic are the priceless details: the way that the killer, with his mask and ax and goofy pilgrim hat, is never quite seen, as if that somehow made him a Spectre of Mystery; the terrible sick joke of the bouncing cheerleader and the blade; and, more than anything else, the voice of the narrator that doom-laden yet vaguely amateurish basso-robot monotone (''This year...there will be no leftovers''), as if the whole thing were being read by a kid doing his worst Darth Vader impersonation. Roth has now said that he's planning an entire feature of parody trailers. I say: The more of them the merrier.