In reply to Jey.

@Jey We're happy to be here :-)
1. We do not currently support Multisite on Managed WordPress. It is a feature that is on our backlog.

2. Currently Managed WordPress is served out of one of our Arizona datacenters. We are planning to expand the service into our other datacenters this year as well. If you are interested in having the service near you or your customers, a CDN could help speed things up in your area, but with our caching it should be pretty snappy everywhere.

3. The servers are not dedicated to just your site, but they are all dedicated to just this product and only run Managed WordPress - which is how we are able to provide specific optimizations to WordPress.

4. We have thousands of sites on this service already, but some of the ones I can talk about are: