I'm not interested in one until you can charge at any charger (like a petrol station) and can charge the car with the same range to full as fast as you can fill up a petrol car.
Otherwise it's a backwards step surely?
Would being able to fill up your car at home, with much cheaper "petrol" be a backwards step?
Filling speed is an issue because you have to go somewhere to do it, or break up your journey. If it's at your house it's not an issue, and you're never going to have to set off on a long journey without a "full tank". Even on a very long drive, by the time you need to charge, it's likely to be well past the time you'd have normally taken a break.