SS, I've used a lot of slippery elm (red) and give it the highest marks. Mostly what I build are bend-through bows, short and in the 50/55 weight range....these self bows will consistantly draw more than half their length, have good recovery speed....well ya get the idea, it's very good stuff.
One more thing if you like the curvy types the elm will steam-bend very nicely.
rich