Help on first budget gaming build?

ok, this is my first budget gaming build, what i need to know is will everything fit together in the case, the processor with the cpu etc.. also i will list my specs and the website i got them from, can you please tell me when all the parts arrive can i just assemble it (like will it have all the wires/cords in the boxes) or will i have to purchase some extra wires? this my first build and i am nervous ill do something wrong. please help.

Processor: AMD Phenom II X4 Quad Core CPU 965 3.4GHz Black edition $112
http://www.ebay.com/itm/AMD-HDZ965FBGMBOX-PHENOM-II-X4-...

Graphics Card: Powercolor Radeon HD7850 2GB $179
http://www.pccasegear.com/index.php?main_page=product_i...

Case: CoolerMaster Elite 334U Case $40
http://www.pccasegear.com/index.php?main_page=product_i...

Ram: G.Skill F3-10600CL9D-8GBNT (2x4GB) DDR3 $35
http://www.pccasegear.com/index.php?main_page=product_i...

Power Supply: Antec VP450P 450W Power Supply $ 52
http://www.pccasegear.com/index.php?main_page=product_i...

Motherboard: ASRock 970DE3-U3S3 Motherboard $69
http://www.pccasegear.com/index.php?main_page=product_i...

Optics: Can get from old desktop

HDD: can get from old desktop

Fan: can get from old desktop

OS: have spare windows 7 'laying around'.

SO FAR: $492

if something is wrong or you know of better products for the same or slightly higher prices please let me know, i cant go on newegg because i live in Australia, the site i would like you to use is PCCG or ebay.
thank you.