The following is my PC which I bought from here some months ago, it's fine but is there anything you think I could do with to upgrade performance.
Case: InWIN BLACK DRAGON RIDER GAMING CASE
Processor (CPU) Intel® Core™i7-2600 Quad Core (3.40GHz, 8MB Cache) + HD Graphics
Motherboard: ASUS® P8Z68-V PRO: USB 3.0, SATA 6GB/s, NVIDIA®SLI™, ATI®CrossFireX™
Memory (RAM) 8GB KINGSTON HYPER-X GENESIS DUAL-DDR3 1600MHz, X.M.P (2 x 4GB KIT)
Graphics Card: 1.5GB NVIDIA GEFORCE GTX 580 - 2 DVI, HDMI, DP - 3D Vision Ready
Memory - 1st Hard Disk 750GB WD CAVIAR BLACK WD7502AAEX, SATA 6 Gb/s, 64MB CACHE (7200rpm)
2nd Hard Disk: 3TB WD CAVIAR GREEN WD30EZRX, SATA 6 Gb/s, 64MB CACHE
RAID: NONE
SSD CACHE DRIVE: NONE
1st DVD/BLU-RAY Drive 12x BLU-RAY ROM DRIVE, 16x DVD ±R/±RW (£46)
2nd DVD/BLU-RAY Drive: 24x DUAL LAYER DVD WRITER ±R/±RW/RAM
Memory Card Reader: INTERNAL 52 IN 1 CARD READER (XD, MS, CF, SD, etc) + 1 x USB 2.0 PORT
Power Supply: CORSAIR 750W ENTHUSIAST SERIES™ TX750 V2-80 PLUS® BRONZE (£87)
Processor Cooling: TITAN FENRIR EVO EXTREME HEATPIPE CPU COOLER (£39)
Sound Card: ONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Network Facilities: ONBOARD 10/100/1000 GIGABIT LAN PORT - AS STANDARD ON ALL PCs
USB Options: 6 x USB 2.0 PORTS @ BACK PANEL (MIN 2 FRONT PORTS) AS STANDARD
Operating System Genuine Windows 7 Home Premium 64 Bit - inc DVD & Licence (£79)
Monitor: IIYAMA E2473HDS 24" LED WIDESCREEN, 2 HDMI/DVI-D 1920x1080 (£159)
Keyboard & Mouse: LOGITECH® G510 GAMING KEYBOARD WITH GAMEPANEL™ LCD (£84)
Speakers: LOGITECH Z523 2.1 SPEAKERS - 40W RMS with 360 Degree Sound (£72)
Case: InWIN BLACK DRAGON RIDER GAMING CASE
Processor (CPU) Intel® Core™i7-2600 Quad Core (3.40GHz, 8MB Cache) + HD Graphics
Motherboard: ASUS® P8Z68-V PRO: USB 3.0, SATA 6GB/s, NVIDIA®SLI™, ATI®CrossFireX™
Memory (RAM) 8GB KINGSTON HYPER-X GENESIS DUAL-DDR3 1600MHz, X.M.P (2 x 4GB KIT)
Graphics Card: 1.5GB NVIDIA GEFORCE GTX 580 - 2 DVI, HDMI, DP - 3D Vision Ready
Memory - 1st Hard Disk 750GB WD CAVIAR BLACK WD7502AAEX, SATA 6 Gb/s, 64MB CACHE (7200rpm)
2nd Hard Disk: 3TB WD CAVIAR GREEN WD30EZRX, SATA 6 Gb/s, 64MB CACHE
RAID: NONE
SSD CACHE DRIVE: NONE
1st DVD/BLU-RAY Drive 12x BLU-RAY ROM DRIVE, 16x DVD ±R/±RW (£46)
2nd DVD/BLU-RAY Drive: 24x DUAL LAYER DVD WRITER ±R/±RW/RAM
Memory Card Reader: INTERNAL 52 IN 1 CARD READER (XD, MS, CF, SD, etc) + 1 x USB 2.0 PORT
Power Supply: CORSAIR 750W ENTHUSIAST SERIES™ TX750 V2-80 PLUS® BRONZE (£87)
Processor Cooling: TITAN FENRIR EVO EXTREME HEATPIPE CPU COOLER (£39)
Sound Card: ONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Network Facilities: ONBOARD 10/100/1000 GIGABIT LAN PORT - AS STANDARD ON ALL PCs
USB Options: 6 x USB 2.0 PORTS @ BACK PANEL (MIN 2 FRONT PORTS) AS STANDARD
Operating System Genuine Windows 7 Home Premium 64 Bit - inc DVD & Licence (£79)
Monitor: IIYAMA E2473HDS 24" LED WIDESCREEN, 2 HDMI/DVI-D 1920x1080 (£159)
Keyboard & Mouse: LOGITECH® G510 GAMING KEYBOARD WITH GAMEPANEL™ LCD (£84)
Speakers: LOGITECH Z523 2.1 SPEAKERS - 40W RMS with 360 Degree Sound (£72)