What really good Linux laptop can you get below the price of a MacBook Air that is not a second-hand Lenovo or a rebranded Clevo? And must have a HiDPI screen.

What really good Linux laptop can you get below the price of a MacBook Air that is not a second-hand Lenovo or a rebranded Clevo? And must have a HiDPI screen. Most likes Linux laptops are in the same pricing ballpark as a MacBook Air or MacBook Pro. And they don't have macOS.