Firstly,isn't it really nice to be asked for an opinion on a proposed new instrument ?.While my personal preference is for a Guitar shaped Octave mandolin,i can see that there would be a lot of interest in this new Eastman project,& i happen to like the design very much indeed. Regarding the colour choices,one easy finish to do (compared to 'bursts') would be a 'black-top',that could look stunning,especially with natural back & sides. I tend to agree with downtown above regarding the fingerboard extension.
Maybe you could show us what the same instrument would look like with the standard Eastman f/board termination shape ?.
A question please - given that you decide on a final design,is there a proposed launch date ?,