I used one package so far, the original seasoning.  Soaked the beef overnight in the fridge then dehydrated the pieces.  Got raves about it.  Wasn't too 'hot'.  I don't care for hot type flavors so it was just right.  There is a package that looks like it would be way to hot for me, so that one will get donated...LOL.  Makes mixing up flavors on my own a lot easier and a lot more predictable.  Highly recommend.