I bought a Vulpine about 2 weeks ago. It replaced a WTB Stout. I do mostly urban and uncomplicated trail riding on my 29er. I like the Vulpine much better than the Stout. The Stout is not a good urban tire but was okay on the trails.
The Stout has a raised ridge of nubbies which make urban turning real squirrelly. I dis-liked the Stout from the first time I rode on it. But then, as danger_uni pointed out, it was not intended for urban riding.
The Vulpine works very well for the riding I do.
(I have a slightly used Stout if anyone is interested. )