First build, 800-900 $: Is this a decent gaming build?

Hello everyone, I am going to build a pc for the first time in my life, and I was hoping I could get some help with this build, if it's a good build for gaming purposes, and I also hope that you guys can hook me up with a good power supply. If you think you can improve my build, give me advise, or help me in any way, please don't hesitate to reply.
So I filled in this form, if you need to know more details, please ask, I will try and answer as fast as I can.

Approximate Purchase Date:
In a couple (3-4) months

Budget Range:
As the title says, 800-900 $

System Usage from Most to Least Important:
Gaming

Parts Not Required:
This is a list of the parts I currently am looking to buy:

CPU:
Intel Core i5 3450 3.1 GHz

Motherboard:
MSI Z77A-G45 LGA 1155 Intel Z77

Graphics Card:
ASUS ENGTX560 DC/2DI/1GD5 GeForce GTX 560

RAM:
G.SKILL Sniper Low Voltage Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)

HDD(mass file storage):
Western Digital Caviar Green WD10EARX 1TB IntelliPower 64MB Cache SATA 6.0Gb/s

SSD(OS and apps):
OCZ Agility 4 AGT4-25SAT3-64G 2.5" 64GB SATA III MLC

Aftermarket CPU cooler:
COOLER MASTER Hyper TX3 RR-910-HTX3-G1

Case:
Sharkoon T9 Value Red

So all I need is a PSU/Power Supply, but I had no idea how I should choose between power supplys, which were of good quality and all those things you've got to bear in mind.

Preferred Website(s) for Parts: I use tweakers.net, but this site is only for shops in my country. I just included links to Newegg so that you guys would understand what it said, should you need/want to read the specs on it, or have to do something else with it.

Country:
Holland

Parts Preferences:
As I said earlier, I only need a power supply, but I don't have any experience what so-ever with PSU's, so I don't think I really care, as long as it's a good power supply.

Overclocking:
Yes
SLI or Crossfire:
No
Monitor Resolution:
1980x1080
Additional Comments:
I already have peripherals(mouse, monitor, keyboard, dvd-reader) and an OS(Windows 7)

Thanks in advance for helping me out!
3 answers Last reply
More about first build decent gaming build
  1. with power supplies, you want one that is at least bronze certified (80% efficiency) and is from a reputable brand. any of these would do

    http://tweakers.net/pricewatch/286856/corsair-enthusiast-tx650m.html

    http://tweakers.net/pricewatch/222251/ocz-modxstream-pro-600w.html

    http://tweakers.net/pricewatch/277943/corsair-enthusiast-tx650-v2.html

    http://tweakers.net/pricewatch/253967/cooler-master-silent-pro-gold-600w.html

    600w would be about right to leave you plenty of spare without being overkill for your system
  2. Thanks man, that helped me out alot, I'll be assembling as soon as I can buy the parts all at once! Though I'm wondering, are you from holland or did you just looked the products up on the site I said I used? Really appreciate that.
  3. im from new zealand haha. google chromes translate function worked a treat haha
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