The border of Prospect Heights and Crown Heights around Franklin Ave. might be a good fit for you. It is relatively affordable, somewhat close to Prospect Park, and around some cool places.
Fort Greene and Clinton Hill are really wonderful neighborhoods. It is a bit more expensive, but you can stumble upon some "gems" from time to time.
Fort Greene and Clinton Hill are really wonderful neighborhoods. It is a bit more expensive, but you can stumble upon some "gems" from time to time.
Best wishes and welcome! :-)