If you do Operations (most serious players do), it's probably not going to kill your gaming experience... unless everyone sits on the Fleet all day crying about it, instead of running Ops.
Can paying subscribers PLEASE get more character slots per server?
Look Operations already have huge lag spikes due to overcowding the server and Free to Play will just make it worse.
When you exit the Operations to go to Fleet it will take minutes to get back or get DCed as the lag will be insane.
I see this as a huge FUBAR for paying customers as anytime you are not in a Operations the game will suck.