As of Version 8.0, QuantilePlot is part of the built-in Mathematica kernel.
As of Version 8.0, ReferenceLineStyle is part of the built-in Mathematica kernel.
As of Version 7.0, GradientFieldPlot3D has been superseded by VectorPlot3D.
As of Version 7.0, GradientFieldPlot has been superseded by VectorPlot.
As of Version 7.0, HamiltonianFieldPlot has been superseded by VectorPlot.
As of Version 7.0, ListVectorFieldPlot3D has been superseded by ListVectorPlot3D.
As of Version 7.0, ListVectorFieldPlot has been superseded by ListVectorPlot.
As of Version 7.0, MaxArrowLength has been superseded by VectorScale.
As of Version 7.0, PolyaFieldPlot has been superseded by VectorPlot.