Click the Denki Cube for a high res gallery.

The Denki Cube from Nissan uses new laminated lithium ion batteries from Nissan's joint venture with NEC stashed below the floor and rear seat. Just as long as those batteries stay, we could do without the lightning-pattern grillework, dressed-up headlamps, and hole-punch patterns on the front and rear bumper covers. Even with those fasion question marks, this one ranks pretty high on our list due to its small size and the fact that it's likely to actually make it to market.

Related GalleryNissan Denki Cube Concept

On to Number 6.