I've been using Shinobi's Crusader Burst Build Reaper of Souls Beta - Crusader Burst Spec & OP Skills - YouTube on beta with great success. Posting it here in hopes Trinity will incorporate it.
LM: Smite w/ Reaping
RM: Fist of the Heavens w/ Fissure
Conviction: Heaven's Fury w/ Ascendancy
Utility: Phalanx w/ Shield Barrier
Utility: Steed Charge w/ Rejuvenation
Conviction: Bombardment w/ Impactful Bombardment
Passives: Heavenly Strength, Lord Commander, Finery, Wrathful
LM: Smite w/ Reaping
RM: Fist of the Heavens w/ Fissure
Conviction: Heaven's Fury w/ Ascendancy
Utility: Phalanx w/ Shield Barrier
Utility: Steed Charge w/ Rejuvenation
Conviction: Bombardment w/ Impactful Bombardment
Passives: Heavenly Strength, Lord Commander, Finery, Wrathful