If you're a tech junkie like me Formula E is interesting even though the speeds and/or the racing is meh. I think it will catch up. Powertrain development is now open. I think the seasonal step approach has been good. In the future supposedly chassis devolopment will be open too. We shall see...oh and the real development will be in the energy density of the batteries.
For those who have not followed, here is a good description of the very different methods of motor/transmission combinations that the teams have used:
http://www.fiaformulae.com/en/news/2...-have-changed/