I think they should have more flexible price points. For example...
$29/mth let's you pick the day it goes live. Up to 7 articles per week
$49/mth let's you pick the day & time it goes live. Up to 21 articles per week.
$97/mth let's you pick the day & time it goes live for unlimited articles.
The way I see it, it's like having Hostgator only charge one fee for one server.
If you're an intermediate user and don't want that Dedicated server, you want the choice of picking from shared hosting or a VPS.