Freeze & Thaw: One click snapshot and destroy. One click snapshot restore.
I use DO in place of VMs, but it's overly cumbersome to power down a droplet, re-enter the name & create a snapshot, then destroy the droplet and, when restoring from a snapshot, re-entering the name and selecting all the same settings to recreate the droplet.
DO would be even more awesome (at least for me) if it had a one-click "Freeze" button that would power down my droplet, create a snapshot of the same name (replacing a snapshot of the same name), and then destroy the droplet. A corresponding "Thaw" button on snapshots would, with a single click, restore a snapshot using the same name & droplet settings used to create the snapshot.