Only reason I've seen to use anything else is if doing a full desktop installation doesn't make sense, as the installer is largely geared around just installing most everything, or perhaps leaving out a category or two. Beyond that, the documentation is clear, and it's made as easy to use as makes sense without just hiding things behind a black box so that when things go wrong, they REALLY go wrong.

Nice to see some of these newer distros like Arch and Ubuntu are coming along though; choice is good.