Component Selection Base Promo Shipping Tax Price Where
CPU
Intel Core i5-6600 3.3GHz Quad-Core Processor
$215.99 $215.99 SuperBiiz
http://www.superbiiz.com/detail.php?name=I5-6600BOX&c=C...
Motherboard
Asus H170M-PLUS Micro ATX LGA1151 Motherboard
$99.94 Free two-day shipping with Amazon Prime $99.94 Amazon
http://www.amazon.com/dp/B014F7BM3M/?tag=pcpapi-20
Memory
G.Skill Aegis 8GB (2 x 4GB) DDR4-2400 Memory
$34.99 FREE $34.99 Newegg
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Storage
Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
$48.73 $48.73 OutletPC
http://www.outletpc.com/dx5854-western-digital-caviar-b...
Video Card
XFX Radeon R9 380 4GB Double Dissipation Video Card
$189.99 FREE $189.99 Newegg
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Case
Zalman Z1 ATX Mid Tower Case
$36.99 $36.99 SuperBiiz
http://www.superbiiz.com/detail.php?name=CA-Z1&c=CJ
(option; smaller case;
https://pcpartpicker.com/part/silverstone-case-ps08b
) $36
Power Supply
SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply
$59.99 $59.99 SuperBiiz
http://www.superbiiz.com/detail.php?name=PSS12II620&c=C...
Optical Drive
Lite-On iHAS124-14 DVD/CD Writer
$14.99 $14.99 SuperBiiz
http://www.superbiiz.com/detail.php?name=IHAS124-14&c=C...
Operating System
Microsoft Windows 10 Home OEM (64-bit)
$86.86 Free two-day shipping with Amazon Prime $86.86 Amazon
http://www.amazon.com/dp/B00ZSI7Y3U/?tag=pcpapi-20
Total: $788.47
You can likely pick up windows 7 for about $20 and update it to w10, in which case add one of these;
https://pcpartpicker.com/part/crucial-internal-hard-dri...
You could also use 2x8 gig ram, or a cheaper case.
This is 'in the field' of £600, you may have to switch to an i3 6100 in the short term.
look up prices in sterling, you will see what I mean.
(and dont buy the vs power supply, even tho it is not 'that' terrible.