I would say that every resource/vendor you listed is about (2).
In particular:
The h-node project aims at the construction of a hardware database in order
to identify what devices work with a fully free operating system.
https://h-node.org/
All the product software must be free software. The product software includes
all software that the seller includes in the product, or provides with the
product, or recommends for use in conjunction with the product, or steers
users towards installation in the product. However, there is an exception
for secondary embedded processors.
There are no proprietary drivers to install or complex installation
procedures
http://libre.thinkpenguin.com/
Note: ThinkPenguin's computer have nonfree BIOS and the BIOS runs on the CPU,
hence the lack of "Respects Your Freedom" certification for ThinkPenguin's
computers.
Technoethical is an online shop that sells hardware compatible with operating
systems that fully respect users' freedom as defined by the GNU Project.
https://tehnoetic.com/about_us
Minifree provides secure, privacy-respecting computers with 100% free (as in
freedom) software, including the Libreboot BIOS replacement and GNU+Linux
operating system, certified by FSF under their Respects Your Freedom
certification program.
https://minifree.org/
About monitors, they do not raise any freedom issue I am aware of.
