need help building a gaming rig

[mockingjay]

1. What is your budget and does that include shipping/taxes?
£500 with tax

2. Where do you live?
UK

3. What do you need this computer to do (like gaming, Photoshop, and so on)?
gaming

4. What parts will you need for the computer? Please list what parts specifically.
motherboard, cpu, PSU, ram, HDD, graphics card, wifi card (fast). also anything else that is important

5. Are you reusing any parts for this computer? If so please say what parts.
the case and optical drives from a sony vaio pcv-rz104

6. What kind of monitor/resolution do you have or want to get to use for the computer?
i don't mind i have a hp pavilion f1703 but can get something better if hit is cheap

7. Do you have a legit OS? If so what OS and is it 32-bit or 64-bit?
i will get windows 7 in whatever bit is required

8. What are you looking for the motherboard to have feature wise? Like SLI, Crossfire, Firewire, USB 3.0, Sata 6.0 Gb/s, and so on.
no usb3, quite a few usb2, 8gb ram, VGA (unless it is in the graphics card) space for a wifi card

9. Any plans to overclock the CPU or GPU?
probably not
10. What time kind of time frame are you planning on ordering these parts? in the next few weeks