It's called "Here We Build" and is most commendable. They've raised about $125K with a goal towards $200 million. $300 million may be needed. That's a lot of money. http://www.sacbee.com/2011/03/31/3516318/kings-threatened-exit-energizes.html
It's a David vs Goliath story. Anaheim has Henry Samueli, co-founder of Broadcom, who is the billionaire owner of the Anaheim Ducks, his company runs the Honda Center and can afford to build his own arena if he wanted to. He gets city council 5-0 votes while Sacramento has Here We Build and a goal of getting one million people to chip in $200 each.