Don Parris at LXer looks at the Debian Installer, providing something of an overview of the installation process, revealing one or two potential pain points.
Read it here
I have installed various versions of GNU/Linux since 1997. Yast is a great installation tool. Ubuntu and PCLinuxOS have comparable installation processes (different, but still fairly similar). The Debian installer is not, in my view, quite as easy as the current Ubuntu installer. Still, it is a fantastic, simple installer that is adaptable to a wide range of installation scenarios. If you have about an hour and can read, you really should consider giving Debian Etch a whirl.