diff --git a/src/Plots.jl b/src/Plots.jl
index b4a1a9c5..47008ffc 100644
--- a/src/Plots.jl
+++ b/src/Plots.jl
@@ -6,30 +6,32 @@ using Colors
 
 export
   plotter,
-  plot,
-  plot_display,
-  subplot,
-
   plotter!,
+  plot,
   plot!,
+  plot_display,
   plot_display!,
+  subplot,
   subplot!,
 
   currentPlot,
-  plotDefault,
-  scatter,
-  bar,
-  histogram,
-  heatmap,
-  sticks,
-
   currentPlot!,
+  plotDefault,
   plotDefault!,
+  scatter,
   scatter!,
+  bar,
   bar!,
+  histogram,
   histogram!,
+  heatmap,
   heatmap!,
+  sticks,
   sticks!,
+  hline,
+  hline!,
+  vline,
+  vline!,
 
   savepng,
 
@@ -70,6 +72,10 @@ heatmap(args...; kw...)    = plot(args...; kw...,  linetype = :heatmap)
 heatmap!(args...; kw...)   = plot!(args...; kw..., linetype = :heatmap)
 sticks(args...; kw...)     = plot(args...; kw...,  linetype = :sticks, marker = :ellipse)
 sticks!(args...; kw...)    = plot!(args...; kw..., linetype = :sticks, marker = :ellipse)
+hline(args...; kw...)      = plot(args...; kw...,  linetype = :hline)
+hline!(args...; kw...)     = plot!(args...; kw..., linetype = :hline)
+vline(args...; kw...)      = plot(args...; kw...,  linetype = :vline)
+vline!(args...; kw...)     = plot!(args...; kw..., linetype = :vline)
 
 
 # ---------------------------------------------------------
diff --git a/src/args.jl b/src/args.jl
index fb6ef6fe..727253e2 100644
--- a/src/args.jl
+++ b/src/args.jl
@@ -5,7 +5,18 @@
 
 const COLORS = distinguishable_colors(20)
 const AXES = [:left, :right]
-const TYPES = [:line, :step, :stepinverted, :sticks, :scatter, :heatmap, :hexbin, :hist, :bar]
+const TYPES = [:line,
+               :step,
+               :stepinverted,
+               :sticks,
+               :scatter,
+               :heatmap,
+               :hexbin,
+               :hist,
+               :bar,
+               :hline,
+               :vline,
+              ]
 const STYLES = [:solid, :dash, :dot, :dashdot, :dashdotdot]
 const MARKERS = [:ellipse, :rect, :diamond, :utriangle, :dtriangle, :cross, :xcross, :star1, :star2, :hexagon]
 
@@ -207,3 +218,9 @@ function getPlotKeywordArgs(pkg::PlottingPackage, kw, idx::Int, n::Int)
   d
 end
 
+
+# -----------------------------------------------------------------------------
+
+
+# TODO: arg aliases
+
diff --git a/src/backends/gadfly.jl b/src/backends/gadfly.jl
index dbec994f..b3dc83dc 100644
--- a/src/backends/gadfly.jl
+++ b/src/backends/gadfly.jl
@@ -9,7 +9,7 @@ gadfly!() = plotter!(:gadfly)
 
 supportedArgs(::GadflyPackage) = setdiff(ARGS, [:heatmap_c, :fillto, :pos])
 supportedAxes(::GadflyPackage) = setdiff(ALL_AXES, [:right])
-supportedTypes(::GadflyPackage) = setdiff(ALL_TYPES, [:stepinverted])
+supportedTypes(::GadflyPackage) = [:none, :line, :step, :sticks, :scatter, :heatmap, :hexbin, :hist, :bar, :hline, :vline]
 supportedStyles(::GadflyPackage) = [:auto, :solid]
 supportedMarkers(::GadflyPackage) = [:none, :auto, :rect, :ellipse, :diamond, :cross]
 
@@ -120,6 +120,25 @@ end
 # end
 
 
+function addGadflyFixedLines!(gplt, d::Dict)
+  
+  sz = d[:width] * Gadfly.px
+  c = d[:color]
+
+  if d[:linetype] == :hline
+    geom = Gadfly.Geom.hline(color=c, size=sz)
+    layer = Gadfly.layer(yintercept = d[:y], geom)
+  else
+    geom = Gadfly.Geom.vline(color=c, size=sz)
+    layer = Gadfly.layer(xintercept = d[:y], geom)
+  end
+  
+  prepend!(gplt.layers, layer)
+end
+
+
+
+
 function addGadflySeries!(gplt, d::Dict)
 
   # first things first... lets so the sticks hack
@@ -130,6 +149,10 @@ function addGadflySeries!(gplt, d::Dict)
     if dScatter[:marker] != :none
       push!(gplt.guides, createGadflyAnnotation(dScatter))
     end
+
+  elseif d[:linetype] in (:hline, :vline)
+    addGadflyFixedLines!(gplt, d)
+    return
   end
 
   gfargs = []
diff --git a/src/backends/pyplot.jl b/src/backends/pyplot.jl
index 66f88635..acb846f3 100644
--- a/src/backends/pyplot.jl
+++ b/src/backends/pyplot.jl
@@ -10,7 +10,7 @@ pyplot!() = plotter!(:pyplot)
 
 supportedArgs(::PyPlotPackage) = setdiff(ARGS, [:reg, :heatmap_c, :fillto, :pos])
 supportedAxes(::PyPlotPackage) = ALL_AXES
-supportedTypes(::PyPlotPackage) = ALL_TYPES
+supportedTypes(::PyPlotPackage) = [:none, :line, :step, :stepinverted, :sticks, :scatter, :heatmap, :hexbin, :hist, :bar]
 supportedStyles(::PyPlotPackage) = setdiff(ALL_STYLES, [:dashdotdot])
 supportedMarkers(::PyPlotPackage) = setdiff(ALL_MARKERS, [:star2])
 subplotSupported(::PyPlotPackage) = false
diff --git a/src/backends/qwt.jl b/src/backends/qwt.jl
index 7e7816bf..3b6c81dc 100644
--- a/src/backends/qwt.jl
+++ b/src/backends/qwt.jl
@@ -6,6 +6,8 @@ immutable QwtPackage <: PlottingPackage end
 export qwt!
 qwt!() = plotter!(:qwt)
 
+supportedTypes(::QwtPackage) = [:none, :line, :step, :stepinverted, :sticks, :scatter, :heatmap, :hexbin, :hist, :bar]
+
 # -------------------------------
 
 function adjustQwtKeywords(iscreating::Bool; kw...)
diff --git a/src/backends/unicodeplots.jl b/src/backends/unicodeplots.jl
index 1a9acb1c..cd3f9307 100644
--- a/src/backends/unicodeplots.jl
+++ b/src/backends/unicodeplots.jl
@@ -10,7 +10,7 @@ unicodeplots!() = plotter!(:unicodeplots)
 
 supportedArgs(::UnicodePlotsPackage) = setdiff(ARGS, [:reg, :heatmap_c, :fillto, :pos])
 supportedAxes(::UnicodePlotsPackage) = [:auto, :left]
-supportedTypes(::UnicodePlotsPackage) = setdiff(ALL_TYPES, [:stepinverted])
+supportedTypes(::UnicodePlotsPackage) = [:none, :line, :step, :sticks, :scatter, :heatmap, :hexbin, :hist, :bar, :hline, :vline]
 supportedStyles(::UnicodePlotsPackage) = [:auto, :solid]
 supportedMarkers(::UnicodePlotsPackage) = [:none, :auto, :ellipse]
 
diff --git a/src/plotter.jl b/src/plotter.jl
index bceca753..62d6df30 100644
--- a/src/plotter.jl
+++ b/src/plotter.jl
@@ -142,7 +142,7 @@ function plotter()
       error("Unknown plotter $currentBackendSymbol.  Choose from: $BACKENDS")
     end
     push!(INITIALIZED_BACKENDS, currentBackendSymbol)
-    println("[Plots.jl] done.")
+    # println("[Plots.jl] done.")
 
   end
   CURRENT_BACKEND.pkg