The issue you have with asking for opinions, is you will rarely get a reply that is balanced, or even objective.
Then there is a mountain of stuff that you can read on the subject; but that will only offer you the 'how to do things' and then a lot of power figure information, that you may feel is, of no use to your own game play.
I would ask: Why are you considering playing power play? You will have your own personal reasons. This is something I am considering starting a thread. Asking just that question.
So why? To interact with other players, or become a part of something? Or just because you want to get the goodies some of the powers, have to offer?
That is your first point of reference. Sort that out and then you can ask away. There are volumes of information, within the minds of many here. Just remember that there are a few, that can't really be objective on the subject. I will say that, as a beginner, try not to take any notice, of those that only want to tell you all about; 'what is wrong with it' and 'how it should be improved', because. If you are doing it, to improve your own game play, you need to work with the here and now and enjoy it from there.
One small thing: Entering into power play, with any of the powers: Will make you game, more dangerous. You will have many more NPCs and players, as potential enemies and although F.D. has toned that down a bit, since it started; it still increases the risk faction, or the thrills; dependent on how you feel about these things.