Well, that was fun
I agree, those look huge size not gargantuan, and the giant looked large. I wonder if wizards kept the giants as huge size like they were in the playtest.Darn.
I was hoping for Colossal size, not gargantuan.
Also, with WizKids poor track record with these things, I sadly expect that those bases will separate from the dragons painfully often. (I have several Pathfinder minis like that where they've arrived in a broken condition.) I wish they would have been attached directly to the base.
Edit - actually, those look like they could be "Huge" size. Hopefully I'm incorrect.