Didn't have time to see if it has already been posted but here's some macro's for Shield Wall and Spell Reflection with modifier to equip 2h back.
Shield Wall
#showtooltip Shield Wall
/cancelaura Bladestorm
/cancelaura Recklessness
/cast shield wall
/equip Treachery's Bite
/equip Ruthless Gladiator's Shield Wall
/cast Shield Wall
/cast Shield Block
/equip [mod:shift] Ruthless Gladiator's Greatsword
Spell Reflection
#showtooltip Spell Reflection
/cast Spell Reflection
/stopcasting
/equip Treachery's Bite
/equip Ruthless Gladiator's Shield Wall
/equip [mod:shift] Ruthless Gladiator's Greatsword