Don’t know if it’ll cover all your use cases, but I was looking for something similar and recently got my hands on a Steam Deck. Have been very pleased with the purchase so far. To be fair, I haven’t gotten into customizing the desktop yet, but I’m sure anything’s achievable since it’s just running Arch.

Here’s a great article published yesterday on how science seems to be fueling the meaning crisis:

https://bigthink.com/13-8/why-science-must-contend-with-human-experience/