Ooh very nice, as a nitpicker can I ask that it be a little less 'too-square' at the edges? Try chipping a bit off the top to make a stop sort of effect.
Too me the ship seems to angular, and 'megablocks' like.
You had some really aggressive looking models for the Order somewhere too. Gunship and destroyer I think. Those were really cool.
This one looks pretty good for a simple, utilitarian design. My only hangup on it is the bridge. The big flat windows look bad.