Their dashboards and metrics are really good. Plus the performance is great even on their non-metal offering too. I hope to one day be able to justify the upgrade to it.
Here's their announcement blog post with a bit more info, like their benchmarks:
Possibly silly question, and not specific to this DB offering, but why is it a good decision to connect to your DB over the Internet vs keeping it in the same data center as your db clients, given the network-latency based performance hit I believe it causes?