This kitty isn't bad, but more effort could have gone into her design. For instance, they could have used Mockingbird's legs, added new boots with properly sculpted yellow line, and sculpted the costume details onto the lower torso. On closer inspection, the upper and lower torso don't blend seamlessly due to that omission. Alternatively, if reusing parts was the goal, giving her Phoenix's lower torso with an ab crunch joint would have been a practical choice, especially for a character like Kitty.
Colossus, in some ways, is the bigger disappointment. A ball joint in the lower torso, similar to what was used on the GamerVerse Wolverine could have significantly increased his value fun factor. As it stands, the combination of just a waist cut and an upper torso ball joint is borderline useless. It's also surprising that both the movie and Age of Apocalypse BAF versions of Colossus received double jointed elbows, yet this version does not.
I really hope that in few years we can get true definitive classic Colossus that has well articulated torso and double joints in arms.