Hello (sorry for my english)

I would like to hear experiences
And not so much science.
For the doubts I saw several post, many data of internet.
Videos.
But I was not satisfied or they did not help me to decide.

Osymetric chainring
Rotor q-ring

53T or 54T

Buy one, rotor 3d flow aero. chainring is no Q 53
Buy it to move to 165mm
If you can help me select
very very thank