Apartment is good value for the price ! You won't find something with that much space (separate bedroom) in this location at this price.
Location is perfect, Darlinghurst is a great suburb, with all you need at walking distance (cafe, gelato Messina, QEfoods, Kings Cross station), plus you at 10 min walk from Hyde Park (my personal favourite), add +10 min and you're in CBD.
You're also not far from Surry Hills.
Kitchen is big and new, you will love it. Decoration a bit outdated, and main room lacks of natural light, but we stayed for 10 days without much to complain about.