Help with cutting costs on a gaming build!

Solution
It says you have purchased the HD 7770. Here is a faster build, cheaper too -

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor (£83.99 @ Aria PC)
CPU Cooler: Gelid Solutions CC-TranQ-01-A 58.0 CFM CPU Cooler (£23.85 @ Amazon UK)
Motherboard: Gigabyte GA-970A-DS3P ATX AM3+ Motherboard (£50.97 @ Dabs)
Memory: PNY XLR8 8GB (2 x 4GB) DDR3-1600 Memory (£37.88 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£43.57 @ CCL Computers)
Video Card: HIS Radeon HD 7770 1GB Video Card (£76.61 @ Amazon UK)
Case: NZXT Source...

dottorrent

Honorable
It says you have purchased the HD 7770. Here is a faster build, cheaper too -

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor (£83.99 @ Aria PC)
CPU Cooler: Gelid Solutions CC-TranQ-01-A 58.0 CFM CPU Cooler (£23.85 @ Amazon UK)
Motherboard: Gigabyte GA-970A-DS3P ATX AM3+ Motherboard (£50.97 @ Dabs)
Memory: PNY XLR8 8GB (2 x 4GB) DDR3-1600 Memory (£37.88 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£43.57 @ CCL Computers)
Video Card: HIS Radeon HD 7770 1GB Video Card (£76.61 @ Amazon UK)
Case: NZXT Source 210 Elite (Black) ATX Mid Tower Case (£38.65 @ Scan.co.uk)
Power Supply: XFX ProSeries 450W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£35.10 @ Aria PC)
Total: £390.62
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-12 17:08 GMT+0000)

Don't be fooled by the picture that the seller has used for the RAM. It has a black Anodized shroud over the modules. Plus, the case will do the job just as good and the PSU is of higher quality.
 
Solution


This, you have many entry-level parts so you can't cut costs that much.