Building out a gear rig for a 14' RMR and I'm struggling to decide on a cooler. I am currently looking at these three coolers: RTIC 145 (true 145 qt capacity) - $409.99 Engel 123 (~109 qt capacity) - $399.99 Canyon Prospector 103 (true 103 qt capacity)- $369.99 Where I'm struggling is I love...