Las Vegas Food Trip

Hi, I need your advice about your best place to eat In Las vegas this food choices.. Thank you all:
- Steak House could be a hole in the wall.
- Best buffet with shrimp and crab legs.
- Chinese Restaurant I will have a car and can move around
- Japanese Buffet or similar.
- Top choice for a Anniversary celebration restaurant. Top one. Chef kind of restaurant.
- Fast food for the hurry days.
- Place to have a good breakfast.

Thank you all.