Plant Rhus - Garden Work

For San Diego gardeners, the Lemonadeberry shrub (Rhus integrifolia) is the landscape plant perfect for our times. Considering the ongoing drought in Southern California, a low-water, low-maintenance, ... Does anyone know of a eastern tree, suitable for zone 6, that has an interesting winter silhouette?

I like the look of a black gum a few streets over, but I want to make sure that I do't over-look any other, possibly nicer ones, as this will probably be the last tree I ever plant. Thanks.