The answer to that could depend on which PC folk you talk to.Am I the only person that doesn't like the trend to Live CD/Installer combo. I would much prefer and install only CD.
End users, especially those not yet sold on GNU/Linux, will likely prefer a distro test-drive CD that can also install on a whim. A live CD is also a friendly tool for troubleshooting or modifications.
On the other hand, resellers and system administrators could want a quick install that doesn't require taking the test-drive scenic route.
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