I'd go with 2 agi all the way. Extra damage + 1 armor from that agi.
1 Armor is rather less significant, when compared to 1 DPH.
based on 20 armor, 1 armor is of 5% significance, way less when factoring in the 20-80% reduction.
based on any dps, 1 agi is 1.8 dps increase with a jester bow(no...