All these thoughts are based on rumors, so don't count on anything until you actually see that cars at your dealer.
I think once June 15th hits the dealers will start getting cars like once a week. The first month of cars will all be similar in packaging, but then in following months the options and colors will get shifted around based on what customers are buying fastest.
I heard that the first batch may be all cloth (which I find hard to believe) but maybe they want to prove that cars are available at base MSRP. Also, maybe they want the "test drive" models to be base so that the "thrashed cars" aren't the top line models? I dunno...
I heard that the graphite wheels may be in short supply, but I also heard that the east coast will be getting them right away and the west coast will have to wait a while. I don't know what is true.
I know that no more than 33% of total cars shipped to USA can have the LSD, but I think some of the early ones will have it.