This has been covered before. Buy a newly released iPhone or a MacBook Pro and it will be the latest and greatest quite likely for 12 months of your purchase. You get it in days or weeks tops, and the release cycle is many months long. Buy a newly released Tesla and it will likely be not the latest by the time you get it, as the latest and greatest Tesla changes several times every quarter these days - and on the other hand your delivery can take 2-4 months (even longer overseas)... So the buyer's remorse fear is quite real with Tesla, which is why they kind of keep perpetually Osborning themselves in the eyes of people who follow them closely. It never seems to be a good time to jump in and buy a Tesla. If and when one must buy a Tesla, looking at the tealeaves for that important-to-you upgrade is plain smart. We know new cell batteries are coming, we are pretty sure a HUD is coming and a new entertainment system. We also expect a new interior may be along shortly. If these things matter to you, do not buy now. Definitely do not believe Tesla the battery available now would somehow remain the greatest for Model S/X for any significant period of time. While anything is possible, it is not likely to remain the best for very long.