Suse tumbleweed, the Kernel Developers PPA, Debian Experimental / Unstable, Arch, Fedora Rawhide, and Gentoo all deliver new kernels usually within a month of r

Suse tumbleweed, the Kernel Developers PPA, Debian Experimental / Unstable, Arch, Fedora Rawhide, and Gentoo all deliver new kernels usually within a month of release, most within days (albeit more buggy).