After waiting several years, I decided it was finally time to make the leap to 10Gbit. Here's an overview of my new network setup.
NETGEAR XS712T: https://www.netgear.com/business/products/switches/smart/XS712T.aspx
AKiTiO Thunder2 10G Network Adapter (for the Mac Pro): https://www.akitio.com/adapters/thunder2-10g-network-adapter