To sleep, I suggest Harbourview Horizon. The transportation is definitely better than NT. You can get a fully furnished 2 room apartment for $9990. But as for the food budget, $2K a week for 2, I am not so sure about it. Let's do some math, although I'm very bad at it:
$1000 (per person) / 7 = $142.8 per day (3 meals?)
I don't know if you had ever come to Hong Kong. Restaurants are everywhere. They are basically the biggest temptations. Plus do you know where you are going to work? If it's Central or Admiralty, you probably have to bring your own lunch or walk to Wanchai and join the locals in the tea restaurants. And then you probably want to eat out on the weekends? Ask people how much a breakfast/brunch costs in Flying Pan.