A couple of interesting details I see. The big sphere things either side of the deflector: Could those be huge weapons? We've seen a big sphere apparently fired from the Vengeance at the Enterprise (and doing massive damage) in the domestic trailer, could that be one of these things?
Also, look closely at the section of the saucer beneath where the bridge doom should be, the light patterns there are rather similar to those we've seen inside the bridge. I wonder if that glossy black floor is in fact transparent? There's certainly something unusual going on with that particular part of the ship, not least because of the hollowed out saucer.
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