Used X200 units are still available. Put 8 GB RAM and an SSD in them, and they're good for most Linux purposes. And the X200 is relatively easy to put Coreboo

Used X200 units are still available. Put 8 GB RAM and an SSD in them, and they're good for most Linux purposes. And the X200 is relatively easy to put Coreboot/Libreboot on (as in-circuit SPI flashing headache goes, compared to those models that require extensive teardown), and the Intel ME code can be removed rather than merely disabled.