Pros
Very technology-oriented, innovative, resourceful, helpful, youthful, friendly & competent staff engaged with industry (its own & clients'), technology & methodologies. Culture emphasizes constant technological advancement & innovation with the latest technology being at least analyzed, often tested & possibly used depending on your start-up self-initiative. Self-initiative & ambitiousness determine your success here with every possible technological edge desired to stay competitive in a crowded market, both in terms of NYC, SoHo start-ups, & e-commerce.
Kontras
Their contract forbids disclosing cons so. I say for myself that I dislike very long hours, high-stress/high-pressure/defensive environment, very few & non-negotiable vacation days & no sick days/floating holidays.