Should Evaluate be worth +2?

[philosophyguy]

The Evaluate maneuver seems underpowered in combat. Compare two options: take an Evaluate maneuver and then attack, versus attack and then attack again on your next turn.

You are more likely to get a hit by attacking twice than by evaluating and attacking if your effective skill is 6 or higher (and you might even get a second hit by attacking twice!) So, evaluating is only useful if your effective skill is 5 or less.

If Evaluate were worth +2, then you would be more likely to get at least one hit with Evaluate (as opposed to attacking twice) if your effective skill is 9 or less—a far more useful range of effective skills—and the bonus is somewhere between 4% and 8%, which doesn't seem overpowering.

The only possible problem I can see with making Evaluate +2 is if it were stacked multiple turns in a row, but limiting the bonus to +1 for each second after the first seems to mitigate that problem.

Are there other reasons why Evaluate should be limited to +1?