Notice? Yummy smell Welcoming Host Comfortable chairs For high end restaurants - Floral arrangements Table setting, not just cleanliness, but appropriateness of table ware to food quality Glass ware, especially if I'm ordering more expensive wines or cocktails Bathroom - it's the one room where you will likely be alone. People - both customers and staff, what's the vibe? I cook at home, make me something I can't make just as easily for half the price. Ambiance is as important as the food.