Thanks for the answers, but I found this link myself but the
browser on my desktop or N900 always redirected me to
http://www.opera.com/mobile/ which gave me an Opera
Mini 6.5 or older version. In the end I used Opera Mini 6.5 to
figure out the exact url for the Opera Mini Next jad file:

http://m.opera.com/next/mini.jad?act...=all&region=en

You can find the URL for the jar file itself in the jad file (see MIDlet-Jar-URL entry)

Davy