We really like the Plaza....it's a TS credit though. Probably the least expensive TS restaurant (not a good use of a TS credit), but we really enjoyed it.
It depends on your restaurant plans. We were so tired on the same old burgers/hotdogs/CS options, that a nice warm sandwich (Reuben or steak/onion..about $11 each) and a nice quiet table looking at the castle was INVITING and RELAXING. We actually paid for this meal, and saved our TS credits for a more expensive dining experience.
We liked it so much that we went twice last week. Once, it was raining, so all the ADRs must have cancelled and they got us in for lunch and then another night during Spectro we had to wait about 20 minutes. NO ressies either time, and it was nice to look at the castle and watch Spectro!
I guess it's a good meal, and it's alot quicker than most TS meals. We spent 1 hour and 45 minutes at Coral Reef last week....and we only have 4 people in our party. It was a long meal!
My husband and I decided that there seems to only be two options at disney...overpriced Table Service and Fast Food Counter Service. I wish they had a middle of the road option...something like a TGIF or a Chili's....but, I understand whey they don't.