I had a 50 gal tank, same floorplan just a few inches shorter. For lights I used the Coralife F/W T-5 Aqualight Double Strip Light-48" with great success. For a filter, I started with the Penguin 350, but it was too much flow on one side of the tank and not enough on the other. Another problem I had was that I couldn't get much to grow in front of it because of the strong downward flow it created. If you want a HOB filter, I would suggest two smaller units on each side of the tank. Try 2 of the Penguin 200B or something similar. I ended up getting a Fluval 305 canister filter instead. It enabled me to add DIY CO2 without too much outgasing from the HOB, and created a nice flow across the entire tank. If I had to do it again, I would go with an Ehiem or Filstar canister instead. Good luck and I hope this helps.