If I want to install Scribus on Windows or Mac, I just download and install. Linux is another story:Why bother with the AUR? Scribus is in the community repository.
3. Arch Linux - Nothing in AUR for it. (not Arch's fault, more community)
michael@bivy ~ % pacman -Ss scribus
community/scribus 1.4.4-2 [installed]
Desktop publishing software
michael@bivy ~ %