Thank you all for your precious opinions!

I believe it always tends to be a bit difficult and misleading to judge koi over photos, especially when they are not well-taken, like the ones I posted here. But for the forum-based discussions, we probably have to cope with the pics for a while.
Fortunately the local dealer here will bring in all five of them, and once they land here, I will take some better photos and in different angles, if I can, and post them here for your better judgement.
In the meantime, pls keep going and with your ideas, I might surprise the dealer! Haha!
Thanks again for all of you!
Yi