Ok so I have had it for almost 3 months now. I absolutley love how it feels in hand naked with no case on it a little slippery yes but other than that it feels great. But the problem is you've got to have a case on it because one drop and ull either get a dent smewhere or sme scratches. At the start i used a very thin gel case on it it felt great cz the fone still felt very slim but wasnt slippery at all with that case. It was a cheap un branded case but i thought it was perfect for it the only prob was tht the cut out for the s pen was bigger than what was required. But anyway i ended up buying 5 of those cases coz the clear cases go yellow after a while so i thot ill use one for a month and then throw it away n move on to.the next one. BUT i dropped my fone in the kitchen and it landed on the bottom corner where s pen goes. So i nt only got a lil dent but s pen got stuck inside and wouldn't come out. I had to use a pin actually a needle to get it out and it was aryt then. So i ordered a couple of proper cases for it after that incident a spigen capsule and a clear hard back with soft gel sides. Just like the ringke fusion i like them both they r perfect i have dropped it a few times since but wid cases on and nothing happened. I do have a tempered glass protector on it too. And when i am sat down at one place like at home or work i nrmally take the case off just cz i like using it wothout any cases on. But i always put a case on when i am out and about. I keep switching between the 2 cases i mentioned above. i atleast put a case on take it off 5 6 times a day and i have not noticed any damage or scratches caused by the cases at all so i am not worried about taking them off again n again. Yes on my note 4 i noticed the front bezel gt scratched badly by the cases. But not on note 5.
So overall what i would advise is that do keep a case for it. Cz the build quality is such that if u drop it even once it can gt damaged badly.
Love my Note 5