Leather is nice (on a wall)
Think about it!!!!!
Leather is nice has alot of tradition behind it, BUT IS IT THE BEST PROTECTION, you can get? Look out of your melon, do some research, don't go with leather just because Tom, Dick, and Harriet did. I was just ohhhhing and ahhhhing over a nice leather with some real history behind it, and wished I could afford it, for my wall, not for my melon protection, it isn't the best one god issued, (my melon that is) but its mine and I wanna keep it at least relatively the way it is.
There are some new materials, shapes, etc. that have some great advantages, the helmet is there to protect you, looking good, and heritage are nice BUT PROTECTION is #1. Good luck with your purchase whatever you decide.
Be safe out there, protect yourself, your buddy, then the rest of the world. God Bless our fallen brothers and sisters, and grant his peace to their loved ones.