Both are new developments with great facilities, but in completely different locations. Cullinan will make it easier for your husband to get to the airport as it's located over the Kowloon airport express station. With school age children, you may want to decide about schools first before looking for accommodations, because schools can be harder to find than homes, especially if you need to go to an English medium
School. Finally, you may want to consider Alpine Court and Beont Court on Kotewall Road, where we have lots of Pakistani families with children! Good luck and welcome to Hong Kong!