[csense]

    $ cat /etc/issue
    Ubuntu 14.04.3 LTS \n \l

    $ apt-cache showpkg nodejs | head
    Package: nodejs
    Versions: 
    0.10.25~dfsg2-2ubuntu1 (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_universe_binary-amd64_Packages) (/var/lib/dpkg/status)

My package manager knows nothing of this mythical "bleeding edge" of which you speak...

[mscdex]

Probably your best bet at this point is to use the NodeSource repos to keep up to date with the latest (stable) versions: https://github.com/nodesource/distributions

[michaelsbradley]

Or use nvm: https://github.com/creationix/nvm