Wow! She's a stunning baby girl! Can you tell us more about yourself? Are you a full time student, have a full time job? Do you have a big family, pets, kids? That sounds really nosy but all those things make a difference when considering adopting a Too. If you've never taken care of a parrot of your own, I'm hesitant to tell you to start with a U2.
It sounds like you have been around enough cockatoos to know how beautiful they are and how sweet they can be. As far as sweetness goes, when they want to, they can charm your socks off, a baby U2 can rival a St. Bernard puppy in a cuddly contest. They are born dancers, my U2 loves music, he's a comedian, he talks and everyone who sees him thinks they want one.
You knew it was coming, since you asked and you haven't leaped off that cliff just yet, here goes. They need an enormous cage, they have big beaks and they are happiest when they are destroying something. I've known messy teenagers, but U2's can put them to shame, they can trash a freshly cleaned cage before you can leave the room. They can trash a room in record time if given the opportunity. They are escape artists and delight in figuring out locks. They can't be left unattended even for a few minutes, they are a danger to themselves and everything you own. They are picky eaters and turn up their beaks at the finest, healthiest avian cuisine, but they'll wrestle you for junk food of any kind, it's better to never have unhealthy foods in your home, they have radar and they'll find it. They want to be with you all the time, no matter what. They can be taught to self entertain but they need attention and if their needs aren't met, they'll make you pay.
There's volumes written about their screams, it's according to how sensitive your eardrums are, how close your neighbors are, and how your family members feel about a U2 when the bird turns the volume all the way up. My U2 flock calls most mornings and every evening, just a few times usually but when he uses his jungle voice, he rarely does, but he can, it's jet engine loud.
U2's are intelligent and emotional and extremely prone to plucking. When they reach sexual maturity, those cuddly little plush toys can turn into demons with can openers in the middle of their faces. That's usually when their owners decide it's in everyone's best interest to find them a new home, in far too many cases, only the FIRST of many homes on the way to a sanctuary. Their lifespan is roughly eighty years, I've made plans for my Too, it's not a happy thought, but something you need to consider. You need an account for emergency vet bills because when you look in those big brown eyes, you'll do anything to get him to a doctor. You'll need a sturdy travel cage to transport him, pet carriers aren't suitable for most U2's, they see them as chew toys.
If you're still reading, before you get in your car to pick up that precious baby too, look up MyToos and read every word, I did.
My baby has been with me for a year now, but I had more bird experience than most and I work at home. I can't imagine life without him, it's a beautiful challenge for the right person.
I wish you the best.