Well, I have a T480. Here are the issues: --- fingerprint reader: unsupported, driver under development smartcard reader: unsupported infrared webcam: half

Well, I have a T480. Here are the issues: --- fingerprint reader: unsupported, driver under development smartcard reader: unsupported infrared webcam: half works with V4L, flickers or appears green at full resolution due to odd pixel format (fully working if you write your own image processing) Live switching between discrete NVidia GPU and integrated Intel GPU: distro-dependent --- Other than that, as far as I can recall, everything works perfectly, and did so out of the box. The main thing that annoys me about Linux these days is a lack of vendor-supplied binary packages, meaning I have to either compile from source or rely on a package manager. But if you use an Ubuntu LTS release even that is mostly a non-issue.