As a pally your specialty is chants, so no cutting there until 46 at least. As the 2H and pole require a base style, eg slash, crush or thrust, u need to spend on both for base dmge ...
I would choose either to go with polearm or 2h. Do not split your points up cause then you spend your skillpoints on 2 special attack lines and never get one up to max. Speccing into your special attack <ie. polearm or 2h> increases your maximum damage. Speccing in the damage type <ie. slash, crush, thrust> increases your minimum damage. So to get the max amount of damage you should concentrate on just 1 special attack skill.