Ted Dillard has been doing a great job writing a series of posts comparing the Zero with the Brammo. His blog is at:
http://evmc2.wordpress.com/ and he's compared specs, documentation, etc. He asked Brammo for a spare Enertia for testing purposes and the lucky dude ended up with one.
He has been posting over at elmoto.net as well:
http://www.elmoto.net/showthread.php?t=2560He rode it to work yesterday and posted this amusing video:
Gotta love a company that happily provides you with a product to sample. Maybe I need to widen my repertoire and become Toblerone-fan.