£1000 build check

[trax101]

Hey guys, i'm building my first pc this month, and was just wondering whether this build is balanced and the best bang for the price!
Case- Corsair c70, i know i can get equivalent cases for cheaper, but i will be moving the PC every weekend, just wondering if handles are needed.-£105
CPU-4670k because ivy bridge has no upgrade paths.-£190
MOBO- Msi g45 gaming z87-£120
GPU- Asus gtx 760-£228
RAM-8gb crucial ballistix-£48
HDD-WD Blue £50-55
SSD-Samsung 120 gb ssd £74
DVD burner-£12
PSU-corsair builder series 750w modular-£75
Wireless card-£16
Im not going to get a heatsink until christmas, and i will get a corsair h100i, so the case will have to fit it.
Altogether the build comes to about £930-940, so i don't know what to spend the extra money on, i was thinking GPU but there is quite a big gap in price between 760 and 670/770/7970.
Any help would be appreciated.

 

[Marcopolo123]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor (£183.59 @ Aria PC)
Motherboard: MSI Z87-G45 Gaming ATX LGA1150 Motherboard (£116.34 @ Dabs)
Memory: Corsair Vengeance Pro 8GB (2 x 4GB) DDR3-1600 Memory (£59.97 @ Dabs)
Storage: Samsung 840 Series 120GB 2.5" Solid State Disk (£74.39 @ Aria PC)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£45.59 @ Aria PC)
Video Card: MSI GeForce GTX 770 2GB Video Card (£315.32 @ Ebuyer)
Case: Fractal Design Define R4 w/Window (Titanium Grey) ATX Mid Tower Case (£86.62 @ Aria PC)
Power Supply: Corsair 760W 80 PLUS Platinum Certified ATX12V / EPS12V Power Supply (£125.97 @ Dabs)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer (£13.15 @ Amazon UK)
Total: £1020.94
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-01 23:49 BST+0100)