Google Maps Styling + Marker Animation

My response to a question on StackOverflow -- http://stackoverflow.com/questions/4501695/why-do-custom-styled-google-maps-v3-not-support-marker-animation-pin-drop/4502752#4502752

by guna_sekaran

HTML

<div id="wrapper">
    <div id="map_canvas"></div>
</div>
<script src="http://maps.google.com/maps/api/js?sensor=false"></script>

CSS

#wrapper { width: 700px; margin: 0 auto }
#map_canvas { height: 700px; width: 700px }

JavaScript

function initialize() {
    var stylez = [{
		"elementType": "geometry",
		"stylers": [{
			"color": "#3e3e3e"
		}]
	},
	{
		"elementType": "geometry.stroke",
		"stylers": [{
			"visibility": "off"
		}]
	},
	{
		"elementType": "labels.icon",
		"stylers": [{
			"visibility": "off"
		}]
	},
	{
		"elementType": "labels.text",
		"stylers": [{
				"color": "#808080"
			},
			{
				"visibility": "on"
			}
		]
	},
	{
		"elementType": "labels.text.stroke",
		"stylers": [{
			"visibility": "off"
		}]
	},
	{
		"featureType": "administrative.land_parcel",
		"stylers": [{
			"visibility": "off"
		}]
	},
	{
		"featureType": "landscape.man_made",
		"elementType": "geometry.fill",
		"stylers": [{
			"color": "#3e3e3e"
		}]
	},
	{
		"featureType": "landscape.man_made",
		"elementType": "geometry.stroke",
		"stylers": [{
				"color": "#808080"
			},
			{
				"visibility": "on"
			}
		]
	},
	{
		"featureType": "landscape.natural",
		"elementType": "geometry.fill",
		"stylers": [{
			"color": "#4d583c"
		}]
	},
	{
		"featureType": "landscape.natural.terrain",
		"elementType": "geometry.fill",
		"stylers": [{
				"color": "#404633"
			},
			{
				"visibility": "on"
			}
		]
	},
  {
		"featureType": "poi",
		"stylers": [{
			"visibility": "on"
		}]
	},
	{
		"featureType": "poi",
		"elementType": "geometry.fill",
		"stylers": [{
			"visibility": "off"
		}]
	},
	{
		"featureType": "poi",
		"elementType": "geometry.stroke",
		"stylers": [{
				"color": "#808080"
			},
			{
				"visibility": "on"
			}
		]
	},
	{
		"featureType": "poi.park",
		"elementType": "geometry.fill",
		"stylers": [{
				"color": "#495338"
			},
			{
				"visibility": "on"
			}
		]
	},
	{
		"featureType": "poi.sports_complex",
		"elementType": "geometry.fill",
		"stylers": [{
				"color": "#536041"
			},
			{
				"visibility": "on"
			}
		]
	},
	{
		"featureType": "road",
		"elementType": "geometry.fill",
		"stylers": [{
			"color": "#363636"
		}]
	},
	{
		"featureType": "road.arterial",
		"elementType":...