the only thing that might make me play any of Xenosaga games again is cosmos, she rules, games sux(its all good to have movies, but when I get bored of movies that means its too much lol)
This in my view is the best version of KOS-MOS. She looks like the best balance of a woman and a battle android with this form, whereas her version 4 form just looks overly frilly, like they had nowhere else to go with the design, so they decided to accessorize instead.