Plex has announced a large number of significant features in the last month or so.
Glad I purchases the lifetime pass a long time ago.
DVR beta
https://www.plex.tv/blog/air-human-plex-dvr-divine/
Cloud hosted Plex server with Amazon cloud drive
https://www.plex.tv/blog/book-plex-volume-3-plex-cloud/
Server Settings - Bandwidth and Transcoding Limits
https://www.plex.tv/blog/mcstreamy-brain-take-world-two-easy-steps/