"In regards to FreeBSD, we’ve begun the work necessary to get it supported in DO. We’ve already begun testing it internally and hope to launch within the next 2 months."
Finally!
The shared kernel is a larger attack surface compared to KVM or Xen, and the OpenVZ host admin can easily see/manipulate your running processes.
No hate for OpenVZ though, I've used it constantly for about 4 years, but it makes me nervous when its discussed in a multi-tenant context.