I'm happy to announce the *Libreboot T480*:
https://minifree.org/product/libreboot-t480/
This is a ThinkPad T480, *with Libreboot pre-installed*, with replaces proprietary BIOS/UEFI firmware. Your choice of Debian Linux, other distro or BSD.
Libreboot offers greater security and faster boot speeds than Lenovo firmware. T480 is 8th gen (Kabylake Refresh); it replaces Libreboot T440, which was 4th gen (Haswell).
I'm Libreboot's founder / lead dev. Sales fund Libreboot.
I sell Libreboot, and Libreboot accessories.