Welcome to the most exciting hobby of Reefing. It’s nice that you and your wife are both wanting a reef tank. Your daughter will love watching and learning about the fish and beautiful corals.
regarding getting an Anemone make sure your tank is at least 9 months to a year old before adding your anemone as they need a mature tank to survive and thrive. Sunburst so are expensive so you want to give them the best. Have a great time with your new tank