the debian packages are build for debian/unstable
there will be packages for debian/sarge once its released.
the versions of icecast2 and ices2 packaged here are from
the kh branch and contain some important new features.
read more in ices and jack
to install the packages add this to /etc/apt/sources.list:
#reboot.fm deb http://debian.reboot.fm/ ./ deb-src http://debian.reboot.fm/ ./