I have not played Planetside 1 before, but I paid to get into the beta (alpha squad) after seeing lots of beta footage on Youtube. I have been pleasantly shocked by how forthright the developers have been with the community on their forums.
The President of Sony Online Entertainment states on the forums: "1)We want this to be an awesome (and balanced) game. 2) We need to make money at it." here
A developer made a long post on the forums about "pay to win": here
Based on their willingness to communicate so clearly, I have high confidence in their ability to deliver a game that is not pay to win.