Dual Universe, what looks to me (and others) like a sci-fi game that has been heavily inspired by Anarchy Online, have taken the spirit of sci-fi to heart and are pushing the envelope on server size expectations. In an MMO world where other companies are shrinking sizes or using clever (if akward) sharding techniques, this envelop bursting effort is much welcome.
As usual Kotaku has the best write up (and links to videos):