A couple of articles came out recently.
Admittedly, as of this post I haven't read these articles yet, but if I stick just to the facts, as near as I can do simple math:
2020 is 5yrs away. And Tesla has already been making cars for ~5yrs. So Porsche will be a decade late to the all-electric supercar game? That's pathetic!!!
But it is a hot damn impressive looking vehicle. The implementation and design of the suicide doors is stunningly beautiful!
I can't wait to see what the production car is like... as long as they get it done.