diff -urBbp date-DRUPAL-6--2/includes/date_api_argument_handler.inc drupal/sites/all/modules/date/includes/date_api_argument_handler.inc
--- date-DRUPAL-6--2/includes/date_api_argument_handler.inc	2009-09-16 03:47:23.000000000 -0700
+++ drupal/sites/all/modules/date/includes/date_api_argument_handler.inc	2010-01-16 16:53:59.000000000 -0800
@@ -143,7 +143,26 @@ class date_api_argument_handler extends 
    */
   function get_default_argument($raw = FALSE) {
     if (!$raw && $this->options['default_argument_type'] == 'date') {
-      return date($this->format(), time());
+      $arg = date($this->format(), time());
+
+      //watchdog("Date","<pre>".print_r(array($arg,$this->format()),true)."</pre>");
+
+      $parts = $this->date_handler->arg_parts($arg);
+
+      if($parts[0]['date']['week']){
+        $last_week_of_year = date("W",strtotime(($year-1)."-"."12-31"));
+        $last_day_of_year  = date("w",strtotime(($year-1)."-"."12-31"));
+        if ($last_day_of_year > 3) {
+          if ($week == $last_week_of_year) {
+            $week=1;
+          }
+          else {
+            $arg = date($this->format(), time()+7*24*60*60);
+            //$week++;
+          }
+        }
+      } 
+    return $arg;
     }
     else {
       return parent::get_default_argument($raw);