I've stayed at Novotel Citygate 5 - 7 times in the past couple years. I've always had a fine room and been well treated. The hotel is attached to the Citygate Outlet Mall with food options and direct access to the MTR giving very easy access to HKI and Kowloon. Hotel shuttle to and from the airport runs 3 times per hour and has always been very prompt in my experience. Several restaurants in the hotel vicinity although I haven't tried any myself.

As suggested above, the price of the room has been from cheap to quite reasonable to somewhat over-priced depending on my travel dates.