Best PSU for this system

Solution
Please use XE.com to get a more common currency. Most of us don't live in NZ and have no clue about the value of the currency or local prices.

This one is a good option in your price range based on its price local to me.

Rosewill Quark Series 750 Watt Full Modular 80 Plus Platinum
http://www.amazon.com/Rosewill-Quark-750-Platinum-Certified/dp/B00VS86NFO/


Very efficient and enough power for lots of goodies in the future.
Please use XE.com to get a more common currency. Most of us don't live in NZ and have no clue about the value of the currency or local prices.

This one is a good option in your price range based on its price local to me.

Rosewill Quark Series 750 Watt Full Modular 80 Plus Platinum
http://www.amazon.com/Rosewill-Quark-750-Platinum-Certified/dp/B00VS86NFO/


Very efficient and enough power for lots of goodies in the future.
 
Solution
evga super nova g2
corsair RMx
super flower leadex
seasonic G
XFX (any of their gold units)
550/650w unit will do .

try to find one of them on sale and buy it .
that rosewill unit mentioned above is also good (it is made by enhance electronics)
rosewill capstone are decent units as well (made by super flower) .