Hakix is a simple GUI installer program for Debian Etch 4.0. It provides an easy one-click installation of various popular applications, as well as other popular features (and notoriously troublesome-to-install/configure) packages such as Beryl/AIGLX 3D Desktop software, nVidia drivers, and other tools
Read about it here
Version 1.0 is in beta and testers are most welcome (please report bugs in the 'Issues' section of this site). It's written in Python using, of all things, Tkinter bindings for the GUI (see screenshot below).