Congrats on the new setup! I love the 60F and hope to try one some day.
I really like the setup so far and I think there's been a lot of good suggestions. You might want to consider either adding some more substrate behind the rock closest to the back wall on the left or moving it slightly away from the rear glass to allow access for planting behind it.
It might also be worth mentioning that the rock on the left front, if placed with a large flat side facing up near the tank center has a good chance of growing algae unless moss or similar covers the surface, at least its what I've noticed in my tank.