diff --git a/modules/PlayerMana.lua b/modules/PlayerMana.lua
index 00cc42b..b3821a1 100644
--- a/modules/PlayerMana.lua
+++ b/modules/PlayerMana.lua
@@ -96,7 +96,7 @@ end
 
 function PlayerMana.prototype:Enable(core)
 	PlayerMana.super.prototype.Enable(self, core)
-	
+
 	self:CreateTickerFrame()
 
 	self:RegisterEvent("UNIT_MANA", "Update")
@@ -107,9 +107,14 @@ function PlayerMana.prototype:Enable(core)
 	self:RegisterEvent("UNIT_MAXENERGY", "Update")
 	-- DK rune stuff
 	if IceHUD.WowVer >= 30000 then
-		self:RegisterEvent("UNIT_RUNIC_POWER", "Update")
+		if GetCVarBool("predictedPower") and self.frame then
+			self.frame:SetScript("OnUpdate", function() self:Update(self.unit) end)
+		else
+			self:RegisterEvent("UNIT_RUNIC_POWER", "Update")
+		end
+		self:RegisterEvent("UNIT_MAXRUNIC_POWER", "Update")
 	end
-	
+
 	self:RegisterEvent("UNIT_DISPLAYPOWER", "ManaType")
 
 	self:ManaType(self.unit)
@@ -140,9 +145,9 @@ function PlayerMana.prototype:ManaType(unit)
 	if (unit ~= self.unit) then
 		return
 	end
-	
+
 	self.manaType = UnitPowerType(self.unit)
-	
+
 	-- register ticker for rogue energy
 	if (self.moduleSettings.tickerEnabled and (self.manaType == 3) and self.alive) then
 		self.tickerFrame:Show()
diff --git a/modules/Runes.lua b/modules/Runes.lua
index 8d7c9d5..b5fd77c 100644
--- a/modules/Runes.lua
+++ b/modules/Runes.lua
@@ -154,8 +154,6 @@ function Runes.prototype:Enable(core)
 
 	self:RegisterEvent("RUNE_POWER_UPDATE", "UpdateRunePower");
 	self:RegisterEvent("RUNE_TYPE_UPDATE", "UpdateRuneType");
--- not sure what rune_regen_update is for just yet...UpdateRuneRegen doesn't exist as of yet
---	self:RegisterEvent("RUNE_REGEN_UPDATE", "UpdateRuneRegen");
 
 	if (self.moduleSettings.hideBlizz) then
 		self:HideBlizz()
@@ -164,7 +162,13 @@ end
 
 -- simply shows/hides the foreground rune when it becomes usable/unusable. this allows the background transparent rune to show only
 function Runes.prototype:UpdateRunePower(rune, usable)
+	DEFAULT_CHAT_FRAME:AddMessage("Runes.prototype:UpdateRunePower: rune="..rune.." usable="..(usable and "yes" or "no"));
+	if not rune or not self.frame.graphical or #self.frame.graphical <= rune then
+		return
+	end
+
 --	DEFAULT_CHAT_FRAME:AddMessage("Runes.prototype:UpdateRunePower: rune="..rune.." usable="..(usable and "yes" or "no").." GetRuneType(rune)="..GetRuneType(rune));
+
 	if usable then
 		self.frame.graphical[rune]:Show()
 	else
diff --git a/modules/TargetMana.lua b/modules/TargetMana.lua
index 3b81fc3..1de549e 100644
--- a/modules/TargetMana.lua
+++ b/modules/TargetMana.lua
@@ -41,7 +41,12 @@ function TargetMana.prototype:Enable(core)
 	self:RegisterEvent("UNIT_FLAGS", "Update")
 	-- DK rune stuff
 	if IceHUD.WowVer >= 30000 then
-		self:RegisterEvent("UNIT_RUNIC_POWER", "Update")
+		if GetCVarBool("predictedPower") and self.frame then
+			self.frame:SetScript("OnUpdate", function() self:Update(self.unit) end)
+		else
+			self:RegisterEvent("UNIT_RUNIC_POWER", "Update")
+		end
+		self:RegisterEvent("UNIT_MAXRUNIC_POWER", "Update")
 	end
 
 	self:Update("target")