It kills me the way the user comments on the IMDb are so often flooded with basic storyline information and/or outright spoilers. (i.e., "Warren Oates plays Benny, a drunken blah blah blah.") Everybody wants to be the next Roger Ebert (though God knows why.) "Bring Me The Head of Alfredo Garcia" is a title custom-designed to SAY ALL THAT NEEDS TO BE SAID. Tell me THAT title, tell me Warren Oates is in it, and I'm there. Granted, it's been a good 30 years, so some of the particulars of the story have leaked out. But read any other comments here, and you risk knowing more than you should the first time out with this one.
This movie flattened me. Desperation and flies, lots of flies. Yes, Peckinpah's films are violent. When I was a little kid in the early 70s, way before I was allowed to see movies like this, I knew of Peckinpah's reputation. Now I see that the violence herein is a total smokescreen, a sign of the times, a way to sell movie tickets. Human emotion is where these films are really at.
Peckinpah was Jim Thompson with a camera, and he told some great stories in a maverick style. Today's pre-fab, "hip" postmodern filmmakers are not worthy of a brutal, bizarre tale such as this. Sure, Kill Bill was a lot of fun - but the viewer hovers safely on the perimeter, like one flipping noncommittally (if enthusiastically) through the pages of a comic book. You will not be able to view Bring Me The Head of Alfredo Garcia with such entertainment-value indifference. You'll be up all night typing (like me), or drinking, or doing whatever it is you do when your head is reeling from a true cathartic viewing experience.