I cracked into this yesterday:
Brand: Pennsylvania Dutch Birch Beer
Origin: Pennsauken, NJ.
Purchase Place: "Minnesota's Largest Candy Store," Jordan, MN.
Sweetener: High Fructose Corn Syrup.
Review: I'm never quite sure how to describe a birch beer. Maybe like a "cleaner" or crisper root beer? I dunno. This one is easier to describe. First of all, it's good. Secondly, I'd describe the flavor as a mix between a deep cola mixed with a light root beer. This was REALLY good. It had some fruity undertones (like a good cola would have), but then a slight herbiness like a root beer. I enjoyed this a lot. This one gets a pretty high score.
Score: 9 out of 10.