WTF Happened To Trick 'R Treat?

It seems like every year, either at Halloween or sometimes at the end of summer, a new seasonally-themed anthology, or six, gets released by the horror-viewing community. Of course, everyone has a different opinion on what the best ones are, but a title that keeps coming back when talking about the best anthologies or the best Halloween season films is Trick ‘r Treat, released in 2007. Well, initially in 2007 but wider in 2009.