Good points: Lots of joints for posing, nice heavy weight. Easily replaceable parts from most companies. Ability to change eyes and wigs; Dark clothing stains easily removed with Mr Clean eraser; You can customize faces and bodies
Bad Points; can be stiff or wiggly at times, either from not being played with or the elastic stretching; Snappy joints can catch your fingers! Ouch! Be careful when posing without a stand, as they can fall. Direct sunlight can damage and change color of resin.
These are my latest obsession, Dearmine dolls. They are Ellowyne size.
I have had dolls in every size, I think, from 70cm male Dollshes down to super tiny elves & fairies. All of them have various quirks and good points. A lot depends on the company. Some companies will not replace damaged parts or sell you extra body parts.