My opinion right now: in www.google.com I have new fresh listing with date 07.may.2003 but in www-sj.google.com my listing is about 15.april.2003. I don't think this army (google's mans) work for nothing... update www.google.com but in fact the new index is www-sj.google.com.
This is may theory...
By.
... and sorry for my poor english.