Micro-Équipement (nicbouch) did a great job with the XP driver.
After a long time I used my favorit controller again! 
http://membres.lycos.fr/nicbouch/download.html


But Windows Vista is a absolute NO GO for gameport controllers.
It has no drivers for the gameport itself.
These days I found a link to the creative-forum and a thread about vista and a selfmade gameport-driver.
http://forums.creative.com/creativelabs/board/message?board.id=Vista&message.id=...


I tried to combine both, the gameport-driver and sv-262 driver.
It works 100% ...
http://www.a1k.org/forum/index.php?mode=viewthread&forum_id=20&thread=6&goto=1&p...


br
Ratte