Stayed at Novotel Darling Harbour for a couple of nights during early Jan 2013, and we were quite impressed, glad we chose to do so, via a Travelzoo promotion.
The service was very good across the board, from concierge to reception to housekeeping to maintenance to waitresses we were treated with respect and taken care of pretty well most of the time.
The room was quite good, very clean in all areas, well presented, a good size flat panel tv, comfy beds and pillows, good size towels etc., the room wasn't overly large but we expected that and all things considered was pretty good.
We had the buffet breakfast included in our package and it was fairly good too - the range of food wasn't massive and the provision of certain things such as plates, glasses, butter occasionally ran out but were fairly promptly replenished. The setting and city view is just fantastic, and the staff were very good.
The pool area was great, good to see a full size tennis court available, the gym area also was great.
Special requests were promptly addressed and the overall location is very, very good.
It was quite family-friendly, I noted they do claim such in their website etc. and was pleasantly satisfied that they did indeed provide much for kids and families - 2 operational Nintendo Wii game consoles for free, a few PCs with internet access also for free (though there was no free wireless), a small but nice little kids play area near the dining area etc. - recommended for families with little ones fine.
There also appeared to be quite a lot of other family guests with small children during our stay, which was great.
The Novotel carparking charges are prohibitive, at $45 per 24 hours per vehicle it's ridiculous and I will be examining other alternatives to avoid that in future.
If we are able to take advantage of a similar promotion / cheap deal in future I wouldn't hesitate to try and plan our trip to stay here again, very good.