6.5 years might be the support time frame, but with the build quality of most of these devices, 3 or 4 is more realistic. The higher end will certainly last lon

6.5 years might be the support time frame, but with the build quality of most of these devices, 3 or 4 is more realistic. The higher end will certainly last longer, but I also suspect that those with the money to afford them will also update more frequently.