Thought this might be interesting for you guys,
this maybe what we've been waiting for....80 % weight savings....imagine if we could have carbon fiber frames for our cycles or cars...then even our current batteries would perform a whole lot better!
http://www.easier.com/view/News/Motoring/article-111733.html
Here's another interesting article..
http://tinyurl.com/2zjqrg
motorcycle batteries, anyone??