apt archives

[Bas Spitters]

On Saturday 24 June 2006 07:44, Nigel Ridley wrote:
> Bas Spitters wrote:
> > Dear List,
> >
> > What is the status of archives like:
> > deb http://kubuntu.org/packages/kde-latest dapper main
> > deb http://kubuntu.org/packages/kde-353 dapper main
> >
> > I would like to use a new KDE, but do not want me system to become
> > unstable. I seems that these archives regularly provide updates. Is it
> > safe to apply them or will this make me system unstable?
> >
> > Thanks,
> >
> > Bas
>
> What's the difference between the two sources? What does one include
> that the other doesn't?
> I know that it sounds like an obvious answer but I just wanted to make
> sure :-)

That's part of my question: 
These archives were announced somewhere, but where do I find such information 
about stability and what is included?

Bas