Spotted another VFX error in episode 7, "Unnatural Selection".
http://i.imgur.com/Aw2IV.jpg
See the top right of the ship where the planet doesn't fill out to the edge of the frame.
There's a very distracting switch between grainy scenes and lack of grain. Especially in episode 6, "The Schizoid Man", where Data/Graves is sitting at the helm with the viewscreen behind him and he's accusing Picard. Very smoothed out.
Apart from these shots, everything else looks great, maybe even better than S1.