Tom Ewer at Elegant Themes put together a top ten list of managed WordPress hosting.
Choosing the right web host is one of the most important decisions to make, and also one of the most difficult. Good hosting is critical for truly optimizing the end user’s experience; however, it’s easy to feel confused when trying to choose the perfect host for your website – online recommendations may not be the impartial, unbiased opinions we need. It all stands to make us throw up our hands, and plump for the cheapest option available.
Here’s a link to their article and their reviews.
Here’s the Top Ten!