The text below is taken from the Camera Raw Defaults I now apply in ImageIngester Pro. this does a couple things:
It applies Auto Shadows
It applies Process Version 2010 (4th line up from the bottom)
It adds 10 Vibrance
It sets Clarity to 50
If you take the ACR default you are now using, I suggest the following steps
Duplicate the ACR Default
Rename it something like "PV2010_Auto_Shadows"
Find the section that corresponds to the text below, and paste it in.
Test and make sure it works as expected
<rdf:Description rdf:about=""
xmlns:crs="
http://ns.adobe.com/camera-raw-settings/1.0/">
<crs:Version>6.1</crs:Version>
<crs:WhiteBalance>As Shot</crs:WhiteBalance>
<crs:Exposure>0.00</crs:Exposure>
<crs:AutoShadows>True</crs:AutoShadows>
<crs:Brightness>+50</crs:Brightness>
<crs:Contrast>+25</crs:Contrast>
<crs:Saturation>0</crs:Saturation>
<crs:Sharpness>25</crs:Sharpness>
<crs:LuminanceSmoothing>0</crs:LuminanceSmoothing>
<crs:ColorNoiseReduction>25</crs:ColorNoiseReduction>
<crs:ChromaticAberrationR>0</crs:ChromaticAberrationR>
<crs:ChromaticAberrationB>0</crs:ChromaticAberrationB>
<crs:VignetteAmount>-1</crs:VignetteAmount>
<crs:VignetteMidpoint>50</crs:VignetteMidpoint>
<crs:ShadowTint>0</crs:ShadowTint>
<crs:RedHue>0</crs:RedHue>
<crs:RedSaturation>0</crs:RedSaturation>
<crs:GreenHue>0</crs:GreenHue>
<crs:GreenSaturation>0</crs:GreenSaturation>
<crs:BlueHue>0</crs:BlueHue>
<crs:BlueSaturation>0</crs:BlueSaturation>
<crs:FillLight>0</crs:FillLight>
<crs:Vibrance>+10</crs:Vibrance>
<crs:HighlightRecovery>0</crs:HighlightRecovery>
<crs:Clarity>+50</crs:Clarity>
<crs:Defringe>0</crs:Defringe>
<crs:HueAdjustmentRed>0</crs:HueAdjustmentRed>
<crs:HueAdjustmentOrange>0</crs:HueAdjustmentOrange>
<crs:HueAdjustmentYellow>0</crs:HueAdjustmentYellow>
<crs:HueAdjustmentGreen>0</crs:HueAdjustmentGreen>
<crs:HueAdjustmentAqua>0</crs:HueAdjustmentAqua>
<crs:HueAdjustmentBlue>0</crs:HueAdjustmentBlue>
<crs:HueAdjustmentPurple>0</crs:HueAdjustmentPurple>
<crs:HueAdjustmentMagenta>0</crs:HueAdjustmentMagenta>
<crs:SaturationAdjustmentRed>0</crs:SaturationAdjustmentRed>
<crs:SaturationAdjustmentOrange>0</crs:SaturationAdjustmentOrange>
<crs:SaturationAdjustmentYellow>0</crs:SaturationAdjustmentYellow>
<crs:SaturationAdjustmentGreen>0</crs:SaturationAdjustmentGreen>
<crs:SaturationAdjustmentAqua>0</crs:SaturationAdjustmentAqua>
<crs:SaturationAdjustmentBlue>0</crs:SaturationAdjustmentBlue>
<crs:SaturationAdjustmentPurple>0</crs:SaturationAdjustmentPurple>
<crs:SaturationAdjustmentMagenta>0</crs:SaturationAdjustmentMagenta>
<crs:LuminanceAdjustmentRed>0</crs:LuminanceAdjustmentRed>
<crs:LuminanceAdjustmentOrange>0</crs:LuminanceAdjustmentOrange>
<crs:LuminanceAdjustmentYellow>0</crs:LuminanceAdjustmentYellow>
<crs:LuminanceAdjustmentGreen>0</crs:LuminanceAdjustmentGreen>
<crs:LuminanceAdjustmentAqua>0</crs:LuminanceAdjustmentAqua>
<crs:LuminanceAdjustmentBlue>0</crs:LuminanceAdjustmentBlue>
<crs:LuminanceAdjustmentPurple>0</crs:LuminanceAdjustmentPurple>
<crs:LuminanceAdjustmentMagenta>0</crs:LuminanceAdjustmentMagenta>
<crs:SplitToningShadowHue>0</crs:SplitToningShadowHue>
<crs:SplitToningShadowSaturation>0</crs:SplitToningShadowSaturation>
<crs:SplitToningHighlightHue>0</crs:SplitToningHighlightHue>
<crs:SplitToningHighlightSaturation>0</crs:SplitToningHighlightSaturation>
<crs:SplitToningBalance>0</crs:SplitToningBalance>
<crs:ParametricShadows>0</crs:ParametricShadows>
<crs:ParametricDarks>0</crs:ParametricDarks>
<crs:ParametricLights>0</crs:ParametricLights>
<crs:ParametricHighlights>0</crs:ParametricHighlights>
<crs:ParametricShadowSplit>25</crs:ParametricShadowSplit>
<crs:ParametricMidtoneSplit>50</crs:ParametricMidtoneSplit>
<crs:ParametricHighlightSplit>75</crs:ParametricHighlightSplit>
<crs:SharpenRadius>+1.0</crs:SharpenRadius>
<crs:SharpenDetail>25</crs:SharpenDetail>
<crs:SharpenEdgeMasking>0</crs:SharpenEdgeMasking>
<crs:PostCropVignetteAmount>0</crs:PostCropVignetteAmount>
<crs:ConvertToGrayscale>False</crs:ConvertToGrayscale>
<crs:ToneCurveName>Medium Contrast</crs:ToneCurveName>
<crs:ToneCurve>
<rdf:Seq>
<rdf:li>0, 0</rdf:li>
<rdf:li>32, 22</rdf:li>
<rdf:li>64, 56</rdf:li>
<rdf:li>128, 128</rdf:li>
<rdf:li>192, 196</rdf:li>
<rdf:li>255, 255</rdf:li>
</rdf:Seq>
</crs:ToneCurve>
<crs:ProcessVersion>5.7</crs:ProcessVersion>
<crs:CameraProfile>ACR 4.6</crs:CameraProfile>
<crs:HasSettings>True</crs:HasSettings>
</rdf:Description>