diff --git a/rest_framework/relations.py b/rest_framework/relations.py
index b5effc6cb..8c1356727 100644
--- a/rest_framework/relations.py
+++ b/rest_framework/relations.py
@@ -38,6 +38,16 @@ class RelatedField(Field):
             queryset = queryset.all()
         return queryset
 
+    @property
+    def choices(self):
+        return dict([
+            (
+                str(self.to_representation(item)),
+                str(item)
+            )
+            for item in self.queryset.all()
+        ])
+
 
 class StringRelatedField(Field):
     """
@@ -255,3 +265,13 @@ class ManyRelation(Field):
             self.child_relation.to_representation(value)
             for value in obj.all()
         ]
+
+    @property
+    def choices(self):
+        return dict([
+            (
+                str(self.child_relation.to_representation(item)),
+                str(item)
+            )
+            for item in self.child_relation.queryset.all()
+        ])
diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 6483a47c0..297c60d8f 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -360,22 +360,43 @@ class HTMLFormRenderer(BaseRenderer):
         serializers.MultipleChoiceField: {
             'default': 'select_multiple.html',
             'checkbox': 'select_checkbox.html'
+        },
+        serializers.ManyRelation: {
+            'default': 'select_multiple.html',
+            'checkbox': 'select_checkbox.html'
         }
     })
 
+    input_type = ClassLookupDict({
+        serializers.Field: 'text',
+        serializers.EmailField: 'email',
+        serializers.URLField: 'url',
+        serializers.IntegerField: 'number',
+        serializers.DateTimeField: 'datetime-local',
+        serializers.DateField: 'date',
+        serializers.TimeField: 'time',
+    })
+
     def render_field(self, field, value, errors, layout=None):
         layout = layout or 'vertical'
         style_type = field.style.get('type', 'default')
         if style_type == 'textarea' and layout == 'inline':
             style_type = 'default'
+
+        input_type = self.input_type[field]
+        if input_type == 'datetime-local':
+            value = value.rstrip('Z')
+
         base = self.field_templates[field][style_type]
         template_name = 'rest_framework/fields/' + layout + '/' + base
         template = loader.get_template(template_name)
         context = Context({
             'field': field,
             'value': value,
-            'errors': errors
+            'errors': errors,
+            'input_type': input_type
         })
+
         return template.render(context)
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
@@ -388,7 +409,7 @@ class HTMLFormRenderer(BaseRenderer):
         template = loader.get_template(self.template)
         context = RequestContext(request, {
             'form': data,
-            'layout': getattr(getattr(data, 'Meta', None), 'layout', 'vertical'),
+            'layout': getattr(getattr(data, 'Meta', None), 'layout', 'horizontal'),
             'renderer': self
         })
         return template.render(context)
diff --git a/rest_framework/templates/rest_framework/fields/vertical/select_multiple.html b/rest_framework/templates/rest_framework/fields/vertical/select_multiple.html
index f0fa418b5..00b25b4b1 100644
--- a/rest_framework/templates/rest_framework/fields/vertical/select_multiple.html
+++ b/rest_framework/templates/rest_framework/fields/vertical/select_multiple.html
@@ -1,7 +1,7 @@
 <div class="form-group">
     {% include "rest_framework/fields/vertical/label.html" %}
     <select multiple class="form-control" name="{{ field.field_name }}">
-        {% for key, text in field.choices.items() %}
+        {% for key, text in field.choices.items %}
         <option value="{{ key }}" {% if key in value %}selected{% endif %}>{{ text }}</option>
         {% endfor %}
     </select>
diff --git a/rest_framework/templates/rest_framework/form.html b/rest_framework/templates/rest_framework/form.html
index 64b1b0bc5..658aa2934 100644
--- a/rest_framework/templates/rest_framework/form.html
+++ b/rest_framework/templates/rest_framework/form.html
@@ -9,7 +9,7 @@
 <div class="well">
 
 {% load rest_framework %}
-<form {% if layout == "inline" %}class="form-inline"{% elif layout == "horizontal" %}class="form-horizontal"{% endif %} role="form" action="" method="POST">
+<form {% if layout == "inline" %}class="form-inline"{% elif layout == "horizontal" %}class="form-horizontal"{% endif %} role="form" action="." method="POST">
     {% csrf_token %}
     {% for field, value, errors in form %}
         {% render_field field value errors layout=layout renderer=renderer %}