Heating issue is most common because of design and UI and animations.
Battery backup is great.Keyboar d is best. Mouse is so expensive.Can buy if afford and ready to fase all problems.
One more thing in vadodara apple service centre is the worst , I just told them to please change the hdd to ssd I m having ssd , he asked for 1500 rupees, and that was only matter of 4 screws to open and replace I know because I have replaced it my self later. I have to buy Philips screwdriver and tork screwdriver, But the service centre guy I have never see this kind of guys .at any service centre, we buy an expensive product and we dont get even minor services.