I guess I will offer a different opinion.
We went to the CA grill last Sept and I will also list our other choices so you will know where we ate:
Coral Reef
Misotaki. (lord help me but I have no clue how to spell that)
San Angel Inn
Victoria and Alberts (not on dining plan of course)
Chef Mickey's
and CA Grill
CA grill gets crowded in the bar area because you have to have a reservation and I think they over book because if someone sits at 6:30....they will sit and take up that table so they can hold out and watch the fireworks. It is a rude practice to me, to sit and watch the same couple at a table drinking coffee after dinner for 45 min while hungry people wait to be seated...but I guess they have to policy against it, but I would not do it.
Once you do sit, it is not a warm place to eat. The kitchen is open to the dining room and it can be a little noisy from kitchen noise and the bar noise.
The food was very good but not that much better than some of the 1 credit places. We really loved San Angel Inn...and some people here have said they did not enjoy it. But it was yummy and a fun place to eat.
I am not saying I would never go there again...but I would try a different 2 credit place first. The view is nice, if you can get a table near the window, we were seated in the middle of the place and no where near the window and it was a birthday. The people by the windows camped out there all night.
Hope this helps.