Thanks for all the input!
@jdgesus & striknein - I think I'll steer clear of that one then (no pun intended)

@jaytron - I'm just not a big fan of carbon forks on skinny tubed steel bikes. Also I see a box section wheelset with gumwalls in this bike's future which probably would look weird with el carbón.

I think I'll end up doing the retrogression fork.