If you want a new space MMO experience I recommend you check out Ascent TSG
http://www.thespacegame.com/I've been playing for a while now and having a lot of fun. The recent updates have added colony building/domes etc, there's more on the way too. The game dev (Jam) is great guy and the community are very friendly, the game forum is here:
http://forum.thespacegame.com/Sinstrite has produced an excellent 5 part ATSG introduction on YouTube
http://www.youtube.com/watch?v=9pfvt0kwM5MLook forward to maybe seeing some new players!..
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