I am not graduating, in fact I am still a 10th grader, but I hope for the sake of the Cadets they don't use the new ones.
On graduation day they graduate in cadet dress grays then go change for their commissioning - (usually held under a tree somewhere).
I may not have understood him correctly, but on my last tour up at USMA my cadet tour guide said the starting with the class of 2013 the classic grey parade uniforms will be black (so much for long grey line?). I hope this is not true, but if the pull it off right it could look pretty slick