New build about to order, last minute change options?

Im about to build this system (via local tech company) and keen to get a 3rd opinion from someone else. My circle of friends, even thou some are gamers just dont know about building and parts.
PLEASE NOTE this is in New Zealand DOLLERS.

AMD FX 8120 125w "unlocked"
G-Skills Ripjaw 2x4gb DDR3 1600mhz PC3 12800
Gigabyte GA-970A-D3 AMD 970 ATX Socket AM3+
LG dvd writer (cheap one to do the job)
SAPPHIRE HD 7850 OC 2GB GDDR5
Hitachi 1TB 7200rpm hdd sata 3
LANCOOL pc-k62b mid-tower
Cool master 525w extreme2 + duel 12v outputs
Win 7 64bit
wifi adapter

TOTAL 1378.85 (1143.23 USD)

Just need a screen, a good 20" option b great to hear about,
O and a keyboard im looking at Logitech G510

CHeers