If I understand the new rules correctly:
You normally provoke an AoO for standing
You normally provoke an AoO for moving while prone
You take a -4 penalty to attack while prone.
Opponents get a +4 to hit prone targets.
You cannot take a 5' step while prone (or at least you provoke an AoO for doing so).
You can't kneel from prone without provoking an AoO.
If all of this is true, tripping (not to mention improved trip) is the most broken maneuver out there. It certainly resembles real life more, but at the cost of extreme game imbalance.
You normally provoke an AoO for standing
You normally provoke an AoO for moving while prone
You take a -4 penalty to attack while prone.
Opponents get a +4 to hit prone targets.
You cannot take a 5' step while prone (or at least you provoke an AoO for doing so).
You can't kneel from prone without provoking an AoO.
If all of this is true, tripping (not to mention improved trip) is the most broken maneuver out there. It certainly resembles real life more, but at the cost of extreme game imbalance.