Hi, > 2. What comes on these PC-s? Vendor-specific GNU/Linux distributions? > > It seemed to be a normal OpenSUSE installation (you can choose between a few > distros, that's nice).
Exactly. What we do with all our pre-installations is this scheme: Minimal distribution setup + desktop pattern/metapackage + additional drivers needed for the machines. We try to stick with upstream as much as possible to avoid any vendor lock-in for our customers. If there are any questions or if you need further help please go ahead! Cheers, vinz.