If you're looking for WP hosting without the need to manage a server, we've been having a good experience with Synthesis' managed Wordpress hosting: http://websynthesis.com/
The only downside is that since their pricing is based on the number of domains/installs ($27 for a single domain/install), it'll get pricy for multiple small WP sites on a single account.
Yeah is a little pricey, but may be what OP was looking for.
The probably don't allow a WP network with multiple other sites CNAMEd to subdomains, which is how I'm set up. It's a little sticky to setup, but you have a free wordpress.org afterwards effectively, which is great for all my friend's and family's pet projects and mini sites.
The only downside is that since their pricing is based on the number of domains/installs ($27 for a single domain/install), it'll get pricy for multiple small WP sites on a single account.