LED lighting system for 72x24 180gal tank

so im looking at getting a 180 tank 72x24.

I see a lot of progress on LED lights and would like to know if anyone has used them on larger tanks and how its working for you.

this will be my first big tank so i want to make sure i do it right.
I hope to find an LED that provides the proper lighting for the coral and also has timed changed lighting 24hrs so it simulates sunrise to sunset and moon lighting.