My absolutely boring, "cannot complain of seven year ride", anecdata: - Late 2009 white plastic MacBook, 320 GB HD, 4 GB RAM, cost 1000 euros, came with OS 10.

My absolutely boring, "cannot complain of seven year ride", anecdata: - Late 2009 white plastic MacBook, 320 GB HD, 4 GB RAM, cost 1000 euros, came with OS 10.5 or so. Earlier this year tossed in 200 euros worth of RAM (8GB) and SSD (500 GB), because Safari was gagging a bit on too many tabs of modern web. Has been updated to the latest macOS at every release, Sierra included, no problem. - 2008 or so vintage HP-tx laptop, 320 GB HD, 4 GB RAM, cost 700 or so euros on sale in 2009, came with Windows Vista. Installed Windows 7 pro (BizSpark gift), upgraded to Windows 10 pro, with no problems (except Windows updates being painful in general ;-)