I've always liked InnoSetup (http://www.jrsoftware.org/isinfo.php http://www.jrsoftware.org/isinfo.php). You describe your installation in a short file created

I've always liked InnoSetup (http://www.jrsoftware.org/isinfo.php http://www.jrsoftware.org/isinfo.php). You describe your installation in a short file created via its syntax-highlighting IDE. A big con is that its scripting is done in Pascal, but you can likely find existing scripts to do many common operations.