apt problems of a new user

[<hugelmopf@web.de>]

Being new to the 64bit and especially Debian world, I was amazed about the comfortable Debian installer. Everything worked smoothly, but now I ran into a problem installing KDE.

I added to my sources.list, so that it looks the following:

deb http://ftp.de.debian.org/debian-amd64/debian-pure64 sarge main contrib non-free
deb-src http://ftp.de.debian.org/debian-amd64/debian-pure64 sarge main contrib non-free

Now I went to
--\ Not installed packages
  --\ kde
    --\ main
and selected kdebase with a +
pi	kdebase	+49.2kB	<none>	4:3.3.2-1
  
Now it tells me, that this depends on two broken packages, namely:
pBA	kdelibs-bin	+3084kB	<none>	4:3.3.2-4
pBA	kdelibs4	+28,6MB	<none>	4:3.3.2-4

Both depend on "libcupsys2-gnutls10 (>= 1.1.23-1) [NOT AVAILABLE]

Did I do anything wrong?

Another question: Can I run KDE3.4 on Sarge by just adding this line to my sources.list?
deb http://people.debian.org/~killer/amd64 ./

Thanks a lot,
Frank
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