Hey, Mark. Congrats on your recent sale.
re: NYC startup scene
I'm pretty sure that you've been to Hackers and Founders NYC, but if not, they organize via http://twitter.com/hackersfounders . They get together the third Thursday of every month. Also, I've just found out that NYU has a Hackers and Founders door floor. :) If your interested, I can forward the contact info to you.
re: In other words, is college something I'm sticking with long-term? Or is time of the essence and the need (and my parents' need) for a degree less vital?
I'm sure you're going to be in the startup game for the long term. So, thinking about where you're going to want to be in 10 to 15 years, will taking 3 years off for a degree hurt you or help you?
Also think about location. Degrees really don't matter much in Silicon Valley. I'm not so sure about NYC or Boston, however. The culture was very much more "degree centric" out East when I lived outside of Boston.
There is a ton of BS in college. And, frankly, you, in particular don't need college to be an entrepreneur. You might pick up a good bit more about algorithms or data mining or NLP than you would if you're a self taught programmer. But you are going to do very well as an entrepreneur with or without a degree.
But, even with all the BS, I completely enjoyed the time I spent taking fun classes. I always took a huge number of classes that I didn't need, simply because I was curious and wanted to learn. So, I took a ton of philosophy, comparative religions, sociology, psychology, literature, art history, and design classes. Because of that I was exposed to a bunch of ideas that I wouldn't have been exposed to otherwise. And, I think that's made me a much more well rounded person than I would have been otherwise.
But, then, I've been going to college on and off for 17 years, and I still don't have my Bachelor's. I'm sure that your parents wouldn't approve. Mom still reminds me every month that I don't have my bachelor's yet. As the T-shirt said, "I never let University get in the way of a good education"