I've just migrated from Dreamhost to WPMU Dev using the automated DIY process which was very easy and quick - took about 30 minutes after reading the instructions. I pinged support as the SSL certificate was not updating and they resolved the issue in 5 minutes. I've run my first AHREfs site audit and every page was detected and loaded correctly. There was not a single error when AHREFs crawled the site. This is a welcome change from Dreamhost where I was only ever getting 10% if the site crawled (most pages constantly timing out or returning streaming errors), and their support team telling me the Wordpress plugins were causing the problems.