I don't fully understand the "availability" graph, i.e. why it doesn't add up to 100%.
Perhaps it can be made clearer—and could it also be made up-to-date?
Could the availability / performance / … pages be sortable?
This should be split into multiple issues I think. For example, the availability graph has probably been resolved (though it's not ratio based, but absolute number based). The rest are feature requests.
These things could make my experience better: