The latest QS survey of world university rankings is now available.
http://www.topuniversities.com/university-rankings/world-university-rankings/2013#sorting=rank+region=+country=334+faculty=+stars=false+search=

Auckland is 94th, Otago 155, Canterbury 238, VUW 265, Massey 343. All NZ universities are in the top 500 (just).