TrongaMonga: Meh, knowing Blizzard, all you'd get to see was a white flash and, far away, Nova on a mountain looking at the mushroom cloud
The truth hurts =/.
KillerMe: It'd be cool to see zerg larva turning into eggs then into units.
Yea, thats a good idea. Nova would wander deep into a zerg base, and right before she's about to kill the Overlord (Or whatever) you see her walking towards the screen, but behind her you see two eggs form up from the ground in great detail. She stops and turns back slowly, drawing her gun, and notices that the egg is growing beyond the size of a ling/hydralisk. She would then slowly back up... then *BaM*.. boss battle against a ultralisk as it erupts from the egg.
I think that having a CG sequence of Ghost fighting infested Kerrigan 1 on 1 would be a tight battle CG. Maybe have a Matrix style fight or something
'.
EdiT: But, cant you imagine, say, Ghost walking silently into a large Protoss command room.. the camera is behind her, and you are stunned by the immensity of the room. The camera then zooms up on a pedastal where two templars begin their fusion, and you can see all of the details of fusion, crackling energy and what not. Just thinking about it makes me drool.