you know what, why don't I just make an entire build for you. you can tell me whether you like it or not.
also since you live in victoria, use
www.pccasegear.com
go ahead and make an account on their website (takes like 2 mins) because you'll need the account.
once you've made an account and you're logged in, click on this link:
http://www.pccasegear.com/index.php?main_page=wish_lists&wlcId=76444&action=wish_lists
it's the build I made for you.
for those without an account, these are the parts:
Case: Corsair Carbide 400r
CPU: intel i5 3570K
CPU Cooler: CoolerMaster Hyper 212 EVO
Graphics Card: MSI R7870 Hawk 2GB
SSD: Samsung 830 series 128GB
Hard Drive: Seagate Barracuda 1TB
Memory: Corsair Vengeance 8GB (2x4GB) 1600MHz DDR3
Motherboard: Gigabyte GA-Z77X-D3H
BluRay Burner: LG CH12LS28 12X
Power Supply: Corsair HX-650
Monitor: ASUS VE247H 23.6" LED 1920x1080
Mouse: Logitech G700
Keyboard: CM QuickFire Pro Cherry Black mechanical keyboard
Sound Card: ASUS Xonar DX
OS: Windows 7 Home Premium 64bit
TOTAL: $1958
so to sum it up, that is an absolute monster for under 2k. It could demolish any game or task you throw at it. If I were you, I'd get that. but then again, it is your choice to do whatever you want so you can feel free to completely disregard this if you'd like:3