@HankLloydRight - As for AP 3.0 speculation - of course we are! Heh. But seriously we now have at least one data point to go off - roughly 24 months elapsed between AP 1.0 hardware's release and AP 2.0's release. 24-36 months from now Tesla will have a billion miles or more of real world AP 2.0 data and a good idea of what, if any, corner cases need more sensors and/or cpu power to handle. Nvidia has already stated that one year from now its Xavier hardware will process 20 trillion operations per second as opposed to the 12 trillion operations per second in current Teslas. Maybe it will be needed if Tesla adds even more sensors - longer range radar, thermal imaging cameras, LIDAR, etc.
And finally, the next very logical step in self driving is a reclining driver's seat with leg and foot rests for long distance travel. Tesla has clearly grabbed the self driving lead in the industry. They claim current hardware is good enough for full self driving at 2X safety of an average human driver. Therefore 24-36 months from now I predict it is reasonable and logical to expect they will take the next leap - make a claim of 10X the safety of human drivers - and sell a full "go to sleep" luxury mobile - which will keep them ahead of every other carmaker's offerings.
THAT is the vehicle I will personally be willing to spend $150K+ on for luxury, silence and the largest possible battery. In the mean time I'm keeping my Tesla purchases low-spec in anticipation of a pretty near trade-in on the ultimate personal travel machine. We're talking essentially a luxury overnight train compartment as you travel long distances while sleeping, auto-charging along the way. 500-1000 miles in one overnight leap become realistic. Overnight ski trip from L.A. to Utah for fresh powder without having to schlep my gear through an airport and TSA nightmare is now on the menu. The future is exciting!