It's confirmed at Wonderfest Summer 2011. Yamato is planning 1/60 scale VF-19S, VF-19F and VF-19P for production.
Let's share ideas and news about new variants here.
VF-19S and VF-19F (with new head sculpt)
VF-19P in fighter mode
Differences between VF-19Kai and VF-19P
VF-19P's nosecone has little diamond shaped parts.
Also notice the different parts for the sides of the legs.
Larger image of VF-19P