https://www.spark.co.nz/business/shop/mobile/plansandpricing.html
Data caps have moved up.
No sign of Spotify on anything smaller than an unlimited plan
No Lightbox on anything smaller than an unlimited plan
No bonus data
Unlimited hot spotting for $8.70/month (might have been there previously but only just noticed)
The plan I was billed $59.98 inc GST for appears now to be $59.99, so they must have addressed the rounding error :)