I have to admit, Rob, that I never noticed the two different forward Fs. At least, as Mark noted, these tend to not cost too much. Most can be had in the 40-75 range if you are willing to wait (other than the horizontal bat, which can cost more).
And, Rob, you are cracking me up with your willingness to attribute these all to Trench and then give me so much grief about the Keezer mini