Are these Gaming PC specs good?

Solution
Swap the CPU to a 4790k and get two RAM sticks since the CPU is optimized for dual-channel RAM. 2x8GB should be good. Everything else looks fine.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor (£274.30 @ More Computers)
CPU Cooler: be quiet! Shadow Rock 2 87.0 CFM Rifle Bearing CPU Cooler (£30.14 @ Aria PC)
Motherboard: Asus MAXIMUS VII FORMULA ATX LGA1150 Motherboard (£253.16 @ Scan.co.uk)
Memory: G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1600 Memory (£129.00 @ Amazon UK)
Storage: Seagate Barracuda 3TB 3.5" 7200RPM Internal Hard Drive (£71.94 @ Aria PC)
Video Card:...
Swap the CPU to a 4790k and get two RAM sticks since the CPU is optimized for dual-channel RAM. 2x8GB should be good. Everything else looks fine.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor (£274.30 @ More Computers)
CPU Cooler: be quiet! Shadow Rock 2 87.0 CFM Rifle Bearing CPU Cooler (£30.14 @ Aria PC)
Motherboard: Asus MAXIMUS VII FORMULA ATX LGA1150 Motherboard (£253.16 @ Scan.co.uk)
Memory: G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1600 Memory (£129.00 @ Amazon UK)
Storage: Seagate Barracuda 3TB 3.5" 7200RPM Internal Hard Drive (£71.94 @ Aria PC)
Video Card: Asus GeForce GTX Titan Black 6GB Video Card (£719.74 @ Scan.co.uk)
Case: Zalman Z3 Plus White ATX Mid Tower Case (£35.16 @ Scan.co.uk)
Power Supply: XFX 850W 80+ Bronze Certified Semi-Modular ATX Power Supply (£80.50 @ Ebuyer)
Optical Drive: Samsung SN-208DB/BEBE DVD/CD Writer (£14.99 @ Novatech)
Operating System: Microsoft Windows 7 Professional SP1 (OEM) (64-bit) (£49.00 @ Amazon UK)
Monitor: Asus VE278Q 27.0" Monitor (£211.24 @ More Computers)
Monitor: Asus VE278Q 27.0" Monitor (£211.24 @ More Computers)
Wireless Network Adapter: TRENDnet TEW-805UB 802.11a/b/g/n/ac USB 3.0 Wi-Fi Adapter (£21.98 @ Amazon UK)
Case Fan: Noctua NF-B9-1600 37.8 CFM 92mm Fan (£17.18 @ Overclockers.co.uk)
Keyboard: Genius LED Backlight Gaming Keyboard Wired Gaming Keyboard (£24.34 @ Amazon UK)
Speakers: Logitech Z130 5W 2ch Speakers (£22.77 @ Amazon UK)
Total: £2166.68
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-10 18:49 BST+0100
 
Solution

That's a solid 2000 quid build. How strong is the Titan exactly?
 
Sep 10, 2014
5
0
4,510


apparently it is one of the most powerful.