We had amazing 10 days in NYC! And one big part in what made our trip amazing was the apartment and our hosts.
The apartment is even better than the pictures, everything is beautifully designed and you can tell that every detail was given attention.
We loved sitting in the kitchen and even cooked 1-2 times (despite the the mass of restaurant choices). The bedroom is a cute little hideaway and the bed is so comfortable that at times we were reluctant to leave it (esp. when your feet were screaming at the end of the trip).
Williamsburg is great neighborhood, be sure to visit the waterfront (recommended: Brooklyn Flea and Smorgasburg every weekend)! We ate in some great (vegan) restaurants and got my share of vintage shopping.
We met Ming and Matt only briefly on our first day because they were leaving for their holidays but their hospitality was present even when they were not around. Everything was cared for and we stayed in contact during our trip.
If we ever come back to NYC we'll be staying here again for sure, it can't get any better!