I agree with the comments and assessments voiced thus far.
However, I think that what has been left out, is a comparison of what these jackets would look like after a year or so of equal wear. Out of the box, the GW is clearly miles ahead, and having experience with them, I know they only get better.
The BK looks big, boxy, and stiff, but sometimes jackets change a lot when they soften up and break in....and sometimes they don't. To me, that is the big unknown here. With some honest wear, the Bk has a chance to significantly close the gap, but if it does not, it will look worse in the next comparison.
Anyway, I think Couchy is right, it is worth giving the BK a chance.....but my hunch is, for most people, the BK would still likely end up being a stepping stone to something else.