But Lenovo won't let you get a high res screen on the thicker models.
It's like they take pride in making their loyal customers being forced to decide which pointless compromises they're going to take this generation.
Once you make those easy changes, the battery life becomes excellent like you would expect and is very quiet.
I agree with you on the HiDPI screen availability. As best as I can tell, Lenovo (like everyone else) has trouble buying the panels at quantity due to yield issues and only makes them available in their most high-end laptops where people are most likely to buy them. That's probably business folks, who generally want a thin laptop.
I had my employer buy me a P50 in an attempt to get a powerful laptop with lots of RAM and a good CPU and the big screen. That turned out to be a disaster, though. It's absurdly heavy and I never could get used to the offset keyboard. I use my personal T470s exclusively now.
Wouldn't TLP take care of all that?
The T570 is available with 4k display.
(Plus no USB-C or Thunderbolt 3, just to make customers make more decisions.)