Thanks Cookdav for seeing that!
I had used Yast->Configured Update and after that Update, and only one secure- and 5 updates went in. I was confused, because I read, that there was hundredres of updates to RC1.
Now my laptop is updating from a cable-conn.

Do you think I shall try the b43legacy-driver again? Because the ndiswrapper-solution is not without problems

I have to do several of the advices written on the opensuse/ndiswrapper-page:
- load ndiswrapper module from /etc/sysconfig/kernel
- use ifup instead of NM
- tried to switch of encrypt
Jan