I stayed away from that in general because anything adding on to the default splayed-out wing segment base was a lost cause that would always look wrong (even DNA's end up looking decent only when they're all straight down, because they obscure the fact that their bases are very much not straight down). Anything other than also-splayed-out would look droopy. I'd take some pin punching if it meant an entirely new base panel with articulated wing segments/spines, but that would also be more costly than I'd really want.
There's enough surface similarities between Nova and, say, Energon Rodimus (mainly the curvy longnose cab front end that turns into the boots) that maybe a well-budgeted future new mold might be able to support them. Until then I'll make do with the Legacy one, which is already a pretty neatly executed concept, just with some limitations.
