This one is a T480 model, it costed me around 300usd, and it is pretty functional. Specs i7 8th gen, 16GB ram and 256GB SSD.
Linux works great on this machine.
nostr:note18veqnrzntj544crjfs62m3sj5aptpa9er8kczwf8ppe7hdjg5h2quf0wla
Discussion
So far, the combination of KDE + Wayland is what has given me the best battery performance