CrunchBang Linux is an Ubuntu based distribution featuring the lightweight Openbox window manager and GTK+ applications. The distribution is developed from a minimal Ubuntu install and has been designed to offer a good balance of speed and functionality.
CrunchBang Linux has been reported to be a 'A Faster Ubuntu'. While CrunchBang Linux is not primarily designed for old systems, it has been reported to operate very well where system resources are limited. Once installed, CrunchBang Linux should boot-up and operate much faster than a regular Ubuntu installation.