1) not available
2) yes, available at configuration.
2) About URL Rewrite
Is it possible to change the pattern of the Rewrite-Function ?
Default : /index.php?topic=GeekLog
New : /topic/geeklog
alright and there is no way @ 1) ?
you could simulate sub topics by creating the topics and then a block which you would hardcode the list of topics and how you would want them to appear.