For hosting blogging wordpress has some of the best plugins and features but be warned that they take a lot of resources up with most hosts and a VPS would be best is your running cron plugins alot.
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Try not to get reviews from software. I would advise you as your current clients to politely review your service. If you offer them a good service am sure they will do so. In fact even if you offer a bad service they will still be willing to leave you a bad review LOL