I think Vita forecast was said to be 10m? I think it's possible to ship 16m portables with a Vita pricecut and releasing that $99 no wifi PSP worldwide.
I think consoles will most likely happen without a ps3 pricecut. It can do 13m and the ps2 3m. Imo.
e=mc^2
Gaming on: PS4 Pro, Switch, SNES Mini, Wii U, PC (i5-7400, GTX 1060)