diff --git a/includes/pages/admin_import.php b/includes/pages/admin_import.php
index 781dc15a..14271a85 100644
--- a/includes/pages/admin_import.php
+++ b/includes/pages/admin_import.php
@@ -21,16 +21,27 @@ function admin_import() {
 				$html .= template_render('../templates/admin_import_input.html', array (
 					'link' => page_link_to('admin_import')
 				));
-
-				$data = new SimpleXMLElement(file_get_contents('../import/27C3_sample.xcs'));
-				print_r($data->vcalendar);
 				break;
 			}
 
 		case "check" :
+			list ($rooms_new, $rooms_deleted) = prepare_rooms();
+
+			$html .= template_render('../templates/admin_import_check.html', array (
+				'link' => page_link_to('admin_import'),
+				'rooms_new' => count($rooms_new) == 0 ? "<td>None</td>" : table_body($rooms_new),
+				'rooms_deleted' => count($rooms_deleted) == 0 ? "<td>None</td>" : table_body($rooms_deleted)
+			));
 			break;
 
 		case "import" :
+			list ($rooms_new, $rooms_deleted) = prepare_rooms();
+			foreach ($rooms_new as $room)
+				sql_query("INSERT INTO `Room` SET `Name`='" . sql_escape($room) . "', `FromPentabarf`='Y', `Show`='Y'");
+			foreach ($rooms_deleted as $room)
+				sql_query("DELETE FROM `Room` WHERE `Name`='" . sql_escape($room) . "' LIMIT 1");
+
+			$html .= template_render('../templates/admin_import_import.html', array ());
 			break;
 	}
 
@@ -286,5 +297,29 @@ function CreateRoomArrays() {
 		$RoomName[mysql_result($Erg, $i, "Name")] = mysql_result($Erg, $i, "RID");
 	}
 }
+
+function prepare_rooms() {
+	$data = new SimpleXMLElement(file_get_contents('../import/27C3_sample.xcs'));
+
+	// Load rooms from db for compare with input
+	$rooms = sql_select("SELECT * FROM `Room` WHERE `FromPentabarf`='Y'");
+	$rooms_db = array ();
+	foreach ($rooms as $room)
+		$rooms_db[] = $room['Name'];
+
+	$events = $data->vcalendar->vevent;
+	$rooms_pb = array ();
+	foreach ($events as $event)
+		$rooms_pb[] = $event->location;
+	$rooms_pb = array_unique($rooms_pb);
+
+	$rooms_new = array_diff($rooms_pb, $rooms_db);
+	$rooms_deleted = array_diff($rooms_db, $rooms_pb);
+
+	return array (
+		$rooms_new,
+		$rooms_deleted
+	);
+}
 ?>
 
diff --git a/includes/sys_template.php b/includes/sys_template.php
index 7524b0cb..c3e874ae 100644
--- a/includes/sys_template.php
+++ b/includes/sys_template.php
@@ -15,6 +15,20 @@ function template_render($file, $data) {
 	}
 }
 
+function table_body($array) {
+	$html = "";
+	foreach ($array as $line) {
+		$html .= "<tr>";
+		if (is_array($line)) {
+
+		} else {
+			$html .= "<td>" . $line . "</td>";
+		}
+		$html .= "</tr>";
+	}
+	return $html;
+}
+
 function html_options($name, $options, $selected = "") {
 	$html = "";
 	foreach ($options as $value => $label)
diff --git a/public/css/base.css b/public/css/base.css
index 236eba81..59660b58 100644
--- a/public/css/base.css
+++ b/public/css/base.css
@@ -107,6 +107,10 @@ table {
     border-collapse: collapse;
 }
 
+fieldset table {
+	margin: 4px;
+}
+
 th {
     background: #f0f0f0;
 }
diff --git a/templates/admin_import_check.html b/templates/admin_import_check.html
new file mode 100644
index 00000000..864339fc
--- /dev/null
+++ b/templates/admin_import_check.html
@@ -0,0 +1,31 @@
+<form action="%link%&step=import" method="post">
+    <fieldset>
+        <h3>Rooms to create</h3>
+        <table>
+            <thead>
+                <tr>
+                    <th>
+                        Name
+                    </th>
+                </tr>
+            </thead>
+            <tbody>
+            	%rooms_new%
+            </tbody>
+        </table>
+        <h3>Rooms to delete</h3>
+        <table>
+            <thead>
+                <tr>
+                    <th>
+                        Name
+                    </th>
+                </tr>
+            </thead>
+            <tbody>
+            	%rooms_deleted%
+            </tbody>
+        </table>
+        <input type="submit" name="submit" value="Submit" />
+    </fieldset>
+</form>
\ No newline at end of file
diff --git a/templates/admin_import_import.html b/templates/admin_import_import.html
new file mode 100644
index 00000000..4f2905be
--- /dev/null
+++ b/templates/admin_import_import.html
@@ -0,0 +1,3 @@
+<p class="success">
+    It's done!
+</p>
diff --git a/templates/admin_import_input.html b/templates/admin_import_input.html
index 19e756fe..89454f8c 100644
--- a/templates/admin_import_input.html
+++ b/templates/admin_import_input.html
@@ -1,4 +1,4 @@
-<form action="%link%" method="post">
+<form action="%link%&step=check" method="post">
     <fieldset>
         <p>
             While developing we use a fixed file input. Just hit submit.