I've had the 6th gen for a few years now. Overall, I like it. But these are my issues:
- Really wobbly USB-C port(s). The original power brick doesn't work reliably anymore (I have to play with the connection in order to get the laptop to charge)
- 16 GB RAM is limiting now and can't be expanded
- The keyboard... It's more of a general modern laptop issue, but whenever I pull out my old W520 with the original Thinkpad keyboard, I start dreaming of going back. Maybe I will.
- Really wobbly USB-C port(s). The original power brick doesn't work reliably anymore (I have to play with the connection in order to get the laptop to charge)
- 16 GB RAM is limiting now and can't be expanded
- The keyboard... It's more of a general modern laptop issue, but whenever I pull out my old W520 with the original Thinkpad keyboard, I start dreaming of going back. Maybe I will.