Normally, we don't like piling on. But some opportunities can't be resisted, especially when it involves a topic important to us: real wood-fired barbecue. A couple months ago, we got a good debate going here about wood vs. gas, and even ran highlights of a Southern Pride recipe for Texas-style brisket that we thought supported our point of view. Now, our attention turns to commercial pellet machines. Posse pitmaster Marshall Cooper found the above photo of labels attached to a Fast Eddy's by Cookshack Model FEC100 "smoker oven." The company says on its Web site that the machine is "100%…