Has anyone tried using this new device?
From reading the reviews it is more compatable with a RaspberryPi 3 and it does not have the breakout headers so it would not be as usable as a Pi 4 for speed or experimenting, but it does come with a case and the plus version has additional do dads. It might need a fan for some applications.
It does come with Linux and can be run headless or with a monitor & keyboard.
Considering what comes with it, at the price it might be a good substitute for a hard to get RaspberryPi 4 in server type applications.
There are several reviews on it, check it out.
Dave