Just came back a bit ago and thought I'd post about our trip. We had a party of 7, 2 kids, one older woman, 2 very adventurous eaters and 2 who were actually paying for the trip :0) I took all of my suggestions from the boards here and we were very happy, food-wise.
Sunday dinner was spent at La Bonne Soupe who had no problem taking our reservation on Friday and sat us right away. Food was very good and we were amazed at how inexpensive it was - $129 for 7 people! It is quite loud, though.
Monday morning we went across the street to Evergreen for a quick bite. Wonderful french toast and the waiter was very sweet to the kids! Quick, too.
Lunch was spent in Rock Center before the show. I found out that the Rock Center Cafe is very expensive ($13.95 kids meal? For a burger??) so we opted for Tuscan Square, if I recall the name properly. It was wonderful! The bottom floor is a glorified cafeteria-style place with lovely soups, sandwiches, desserts...all a la carte. Again, we were seated immediately and the staff was very kind to the kids (which has not always been the case when we've gone to NYC).
I was too darn cold to walk all the way back to Penn Stn. so we made a pit stop for dinner at Virgil's. Some of the finest 'cue on the East Coast....the brisket was fabulous! Both of he kids' meals were wonderful - a good quality burger and fried chicken. My DH and I shared the 2 meat plate with ribs/brisket, mashed potato, mac and cheese and a baby cornbread. We had a bit of everything left over....HUGE portions! Also, we walked right in and were seated no problem at 5pm, out in 45 mins.
All in all, it was a very good and fairly inexpensive culinary trip. Thanks to all of the responders to my posts who helped arm me with so much info!!!