Some discussion of the build quality for the Librem 5: [MyL5] Received my Librem 5 (Evergreen) - #50 by amarok
As you observe, no customer is going to be able to comment on the Librem 14 but then I don’t know that Purism can meaningfully comment on it either. If you really want a response from Purism, best to contact them directly at support@puri.sm
Some discussion of fan noise, and how to reduce it: How to reduce annoying fan noise
One controversial area is whether the touchpad has separate physical ‘buttons’ for mouse click or whether it is purely a touchpad and mouse clicks are synthesized on the touchpad.
Maybe you prefer the former. Maybe you prefer the latter.
The biggest question regarding the keyboard that seems to come up is whether you want US layout or you want the layout for some other country.
I hear you, or not. 