Nanimac, yes, I checked the mainland. I was told by my OA that Tesla won't sell (or ship) an inventory vehicle to someone outside the region the vehicle is located, so I would have to go to the mainland, buy it (possibly paying taxes there), then ship it back myself. He said he requested "executive approval" but was denied. I'm studying for the bar exam this summer, so I don't have time to take trips to the mainland to buy one there, plus, if you add in the cost of the flights to and from, the potentially higher taxes (CA had a few that I liked, but the tax rate is double HI's), and the cost of shipping, it comes up to more than a lot of the discounts I've seen.
I'm either going to have to wait for the one I ordered to get here in late September or wait for one of the inventory cars here to come available.