Watford Dr, Kellyville Ridge

Large blocks of land, big homes, excellent schools, close to shops at Stanhope Village and Rouse Hill, travel to city is via car on the M2 or by the T-Way bus. The area is very new, having been built largely in the last 6-8 years and still growing, on the site of an old dairy farm.
The street itself is becoming busier due to volume of people now living in Stanhope Gardens, it is a main thoroughfare. Not a main road by any means. A plus is that the road is nice and wide and lined with trees. I lived on this street for 6 years and didn't find the traffic level too bad, and didn't notice any traffic noise.
For entertainment, close by are Rouse Hill, Mean Fiddler (family-friendly pub, except on Friday night!), and not far to Castle Hill, or Blacktown.