So pricing starts from £1699 = $4000 NZD.
Tyan ATX with 4-core Power8 (passive heatsink)
+4GB DDR3 1600MHz +500GB 3.5" HDD - $2850
http://www.tyan.com/campaign/openpower/Motherboard
SP010GM2NR , ATX 12" x 9.6" (304.8 x 235.2mm)
Processor
(1) IBM® Power 8 4-core Turismo SCM processor
Memory
(4) 240-pin R-DDR3 1600/1333 MHz w ECC DIMM sockets
Expansion Slots
(1) PCI-E Gen3 x16 slot
(1) PCI-E Gen3 x8 slot
Integrated LAN controllers
(2) GbE ports (via BMC5718)
Storage
(4) SATA -III 6.0Gb/s ports (Marvell 88SE9235, No-RAID support)
Rear I/O
(2) GbE RJ45
(1) Stacked dual-port USB 3.0
(1) Stacked COM port and VGA port
(1) ID LED button
AST2400 iBMC w/iKVM (IPMI v2.0 compliant) (Currently No-Function)