E's transformation was the best. No contest. Muscles + big tiddies = glory. The hair suits well too.
Not sure what to make of Umi. Glasses are good, but hers are too small to really qualify. She doesn't really look like herself any more, though it isn't too bad, I suppose.
But enough about that. Why is Rou such an arsehole to the elves? THAT is the real question. What did they even do wrong? Couldn't he just give them a necklace communication device instead of an ear-clip one?