Just want to share some news: https://moodle.com/cloud/
"With MoodleCloud you can get your own Moodle site in minutes, for free."
This has got to be one of the biggest Moodle hosting advancements in recent times!
Looks like Martin gave a talk about it at the ongoing MoodleMoot in Melbourne. Some tweets: https://twitter.com/search?q=moodlecloud&src=typd