I have worked with Alpha Properties on my last two apartments and the experience overall has been great. Yes - it is expensive to work with a realtor, but to be honest, it is impossible to find good apartments in NYC while avoiding a fee. Alpha has a great number of exclusive inventory that is worth every penny.
Joe was a pleasure to work with - he was honest, and knew exactly what I wanted. I was able to find an apartment i loved, apply, and get approved in a matter of a couple of days. No stress. Highly recommended!