I currently don't have any POS coins but I'm actually very curious about them. Don't you usually need to hold large amounts of the coin in order to get anything from it? I don't know exactly how it works, but if staking coins is the way to get "chosen" to validate transfers and then receive the rewards, I'm assuming that it should become a process just as centralized as POW.

Are you getting anything from NEO, and if so, how much NEO do you need to hold in order to be able to get some gas out of it?

Ether will eventually become POS as well, and I do hold some ether, but I still think it wont be enough to get anything from it.