Why is it that your after a II series?
Mainland in Dunedin have a couple, not sure if they are II's tho
www.mainlandair.com
Air Discovery in Rotorua have a II series
www.airdiscovery.com
Bayflight in Tauranga have a I series
www.bayflight.co.nz
Air Hawkes Bay have a few, again not sure if they are II's tho
www.airacademy.hs.co.nz