[Mariner]

"So if the vote splits up like FL, where one set of districts went Newt and one went Mitt, the delegates could still be split up between the candidates. "

No, CA is truly WTA for the entire bloc of delegates. Always has been, both parties.

And it's a closed primary. Only registered Republicans can vote in the GOP primary.

[JediJones]

Nope, that changed in 2008 to the way I described. There may be a portion that go to the statewide winner, but most are by district:

http://race42012.com/2007/02/18/2008-california-republican-primary-will-no-longer-be-winner-take-all/

Here is a list summarizing what each state does:

http://www.realclearpolitics.com/epolls/2012/president/republican_delegate_count.html