They are being built in San Carlos, CA. I saw one on Ralston Ave (random street that is my way to get to the freeway, and I thought it was a cross between lambourghini and lotus, then I saw a Tesla emblem. I researched them and then found out from google.
Their contact info:
http://www.teslamotors.com/customer_care/contact_us.php
EDIT:
Quoted from their site "A full Charge....can be acheived in as little as 3.5 hours" (That doesn't mean from a dead battery.