The two I know of off the top of my head are cAos and PLD (although I
think both are still on 4.4.9 currently).
    http://www.caoslinux.org/
    http://www.pld-linux.org/
Jason

On Dec 17, 2007 1:53 PM, Olivier Thauvin <nanardon@nanardon.zarb.org> wrote:
> Since today, Mandriva is using rpm.org.
>
> So to continue to fully test and work on rpm5.org, I am looking for a
> distribution which do plan to use rpm5.
>
> This surelly mean I'll contribute to it if I find some rpm missing to me.
> (Notice I am a mandriva contributer already, I maintain lot of perl packages,
> rsync, postgresql, some rpm apps, and a lot of others stuff).
>
> So, what distribution do you have to suggest to me ? Feel free to promote your
> own distro ! :)
>
> Regards.
>