Both flavors come in 8-oz bags for about $2 each (may vary) at grocery stores and mass retailers (Target, Walmart, and whatnot). Habanero Lime can also be found in convenience stores in .92-oz bags.
I'm really wondering at what point marketers thought "Xtreme" was the preferred spelling of the word. I think if you look at the last ten years or so of packaged foods, it and "bold" are probably the most used/overused words.