This ice cream shop might be the single reason I lived in Oakland for so long. Like Adam C. said, you're bonkers if you don't get the waffle cone. The cones are so good and there's a M&M at the bottom to prevent dripping. The chocolate chip cookie dough ice cream is the best I've ever had, and I'd consider myself an expert in this arena. I can't take an out-of-towner on a tour of Pittsburgh without stopping here...Even once when it was only 11 degrees outside. It's THAT good.
P.S. - Cash only.