Best Pre-Built PC Out of The 4?

My budget is 1.5k, and don't tell me to make one. Just list from best to top; 1 to 4.
1st One Spec:

Case: Aerocool DS 200 Green Gaming Case Noise Dampening 2 x USB3 7 Colour LCD Panel EN52636
Power Supply: 750W Seasonic Evo Bronze Powersupply-
Motherboard: MSI Z97-GAMING 5 Socket 1150 ATX Motherboard - Z97-Gaming 5
Processor: Intel Core i5 4690K, S 1150, 3.5GHz, Turbo 3.9GHz,Retail - BX80646I54690K
Processor Cooler: Bequiet Shadow Rock Topflow CPU Cooler - BK012
Memory: 8GB DDR3 1600mhz Kit
Solid State Drive: 240GB Solid State Drive
Hard Disk Drive: 2TB 7200rpm Hard Disk Drive
Graphics: 4GB EVGA GTX970 Superclocked ACX 2.0 - 04G-P4-2974-KR
Optical Drive: DvD-Rewriter Drive
Operating system: Windows 8.1 64bit Licence
Office software: Please select a product
Keyboard and mouse: Please select a product
Monitor: Select your Monitor
Build Time: STANDARD BUILD - 7 Working days, Upgrades and Changes can effect delivery time, Includes 24 Hour Test Period
Warranty: 3 Year Silver Cover.First 30 days - FREE Collect and Return on fault - 1st Year Covers full Parts and Labour Return to Base - 2nd and 3rd Year Labour Only Return to Base
1.k Dollars U.S.
2nd One Spec:

Processor: Intel Core i7-4790K (Overclocked to 4.2GHz)
Graphics Card: Palit GeForce GTX970 Jetstream 4GB (Maxwell)
Memory: 8GB DDR3 1866MHz
Storage: 2TB Seagate Hard Drive Hard Disk with 250GB Samsung 840 EVO Series SSD
Motherboard: Gigabyte Z97X-Gaming 5 ATX
Power Supply: 600W Corsair CX600M 80+ Modular
Case: NZXT H440 Mid Tower Gaming Case
Optical Drive: Samsung SE-208DB/TSBS External DVDRW
Operating System: Microsoft Windows 8.1 64Bit
1.3k Dollars U.S.
3rd One Spec:

4.2GHz Core i5 4690K
16GB, Z97X-Gaming 5 Gigabyte Motherboard
GeForce GTX 970
Sharkoon T28 Black case with green fans
Intel Core i5 4690K Haswell Refresh Processor 3.50 GHz (Overclocked to up to 4.3GHz)
Corsair Hydro Series H75 Liquid Cooler
Generic thermal paste
Gigabyte GA-Z97X-Gaming 5 Motherboard
16GB Corsair/Crucial/Samsung PC3-12800 1600MHz DDR3 Memory (2 x 8GB sticks)
Chillblast NVIDIA GeForce GTX 970 4GB Graphics Card
256GB Samsung 850 Pro Solid State Drive
2000GB 7200RPM Hard Disk - 6Gbps
24x SATA DVD+/-RW Drive
Corsair CX 750W 80 PLUS Bronze Certified PSU
Onboard High Definition Audio
Windows 8.1 64 bit
Standard Chillblast Cable Management
5 Year Warranty with 2 Years Collect and Return (UK only)
Bullguard Internet Security - Free 3 Month Trial!
1k Dollars U.S.
4th One Spec:

Options applied to above product
ESET Smart Security - Trial Key £0.00
(£0.00) £0.00
(£0.00)
Options applied to the above product:
No Sound Card Upgrade £0.00
(£0.00) £0.00
(£0.00)
Options applied to the above product:
Seagate Barracuda 2TB 7200RPM SATA 6Gb/s 64MB Cache - OEM (ST2000DM001) HDD £66.98
(£55.82) £66.98
(£55.82)
Options applied to the above product:
Samsung 250GB 850 EVO SSD 2.5" SATA 6Gbps 32 Layer 3D V-NAND Solid State Drive (MZ-75E250B/EU) £112.99
(£94.16) £112.99
(£94.16)
Options applied to the above product:
Palit GeForce GTX 970 4096MB GDDR5 PCI-Express Graphics Card £254.99
(£212.49) £254.99
(£212.49)
Options applied to the above product:
TeamGroup Elite Black 8GB (2x4GB) DDR3 PC3-12800C11 1600MHz Dual Channel Kit (TPKD38G1600HC11DC01) £59.99
(£49.99) £59.99
(£49.99)
Options applied to the above product:
Intel Core i5-4690K 3.50GHz (Devil's Canyon) Socket LGA1150 Processor - OEM £185.99
(£154.99) £185.99
(£154.99)
Options applied to the above product:
NZXT Phantom 530 Full Tower Gaming Case - Red £97.99
(£81.66) £97.99
(£81.66)
Options applied to the above product:
No Operating System £0.00
(£0.00) £0.00
(£0.00)
Options applied to the above product:
OcUK Standard System Warranty - 3 Year (24 Month C&R + 12 Month Labour) £0.00
(£0.00) £0.00
(£0.00)
Options applied to the above product:
Standard Build Systems - Dispatched within 7 working days
1k Dollars U.S.