[mikeash]

I think they said there would be about 70 possible configurations for the Model 3 initially. The Model S/X have something like a million possible configurations. I'd speculate that these first 30 are identical and fully loaded (at least, fully loaded relative to the initial options available), as that's what they've done with previous models. On the other hand, they're really pushing to have their own employees buy the first cars they make, so maybe they'll aim for cheaper options instead.