Just wanted to mention, been really happy with the Surly hubs in the front and the DT Swiss 350 hubs in the rear.

The 350 hubs and Surly hubs are both easily serviced without anything more than basic tools (hex wrench) and the bearings are replaceable anywhere in the world that you can find bearings, basically. No hub is indestructible, these seem like a nice compromise.

I stopped using XT's because I'd kill the hub long before I killed the rim or spokes, due to the cups and cones slowly wearing out through use. The hub has a lifespan. I'm sure the DT's and Surly's have a lifespan too, but it could possibly be measured in decades with a few bearing replacements along the way.

I now have the DT/Surly combo on two wheelsets.