For my husband and I, we like to have the brunch at Palo, but have never had the dinner.
We really enjoy our dinners with our children and our servers, and we have always loved the food in the main dining rooms! We also very rarely go out to eat, maybe two or three times a year, and to a place like Chili's. I guess since our palates are not used to fancy, expensive restaurants, the main dining rooms please us very well!
Plus I am not cooking, so that just might make the food taste even better!
I will say, though, that the Palo brunch is really fantastic, with a different variety of foods (I discovered smoked trout at brunch, and loved it!) that are actually spiced and flavored. I tend to enjoy the food at Palo Brunch more than my DH does.
The food in the main dining rooms tends to be non-spiced, I assume so it doesn't bother the palates of those (like my DH!) that are used to more bland food. I solve this by bringing a bottle of Chipotle Tabasco and hot Hungarian Paprika with me. I once had a server from Thailand that even gave me a bottle of a very spicy sauce from his home country, and that really added flavor to the main dining room food!
If you aren't sure about going to Palo for dinner, because you might enjoy your servers and the dining atmosphere too much, try Palo Brunch. I think it is a great compromise!