Updated to Pixi 1.5 final.

InputHandler.pixelPerfectOver - performs a pixel perfect check to see if any pointer is over the current object (warning: very expensive!)
InputHandler.pixelPerfectClick - performs a pixel perfect check but only when the pointer touches/clicks on the current object.

src/input/InputHandler.js

@@ -502,6 +502,36 @@ Phaser.InputHandler.prototype = {
 
     },
 
+    /**
+    * Checks if the given pointer is over this Sprite and can click it.
+    * @method Phaser.InputHandler#checkPointerDown
+    * @param {Phaser.Pointer} pointer
+    * @return {boolean}
+    */
+    checkPointerDown: function (pointer) {
+
+        if (this.enabled === false || this.sprite.visible === false || this.sprite.parent.visible === false)
+        {
+            return false;
+        }
+
+        //  Need to pass it a temp point, in case we need it again for the pixel check
+        if (this.game.input.hitTest(this.sprite, pointer, this._tempPoint))
+        {
+            if (this.pixelPerfectClick)
+            {
+                return this.checkPixel(this._tempPoint.x, this._tempPoint.y);
+            }
+            else
+            {
+                return true;
+            }
+        }
+
+        return false;
+
+    },
+
     /**
     * Checks if the given pointer is over this Sprite.
     * @method Phaser.InputHandler#checkPointerOver