Key highlights I'd like to point out is that you nailed the screen specs (3:2 and brightness) as well as the 1080p camera which is something that has always annoyed me.
Do you have a timeline of how long you expect to keep the mainboard design replaceable with this frame?
I'd personally love to see an AMD chip in there over Intel but this is right up there for my next laptop purchase (when i need!) - I expect people might wish to swap out the motherboard/cpu combo.
Also, can we expect a bigger version?