Buying a PC

Hello, Im willing to buy a pc with the following specs for about 2400$, is it worth the price? and is it a better idea to wait for a next gen hardware?

- Cooler Master Cosmos II
- 850W Corsair TX850 V2 Power Supply Unit (Dual SLI Compatible)
- ASUS Rampage Extrene X79
- Intel® Core i7-3770K (3.50-3.90GHz) (22nm, 8MB cache) (Quad-Core CPU)
- SINGLE - NVIDIA® GeForce GTX 680 (EVGA) (2GB) GDDR5 (Includes PhysX)
- 1,000GB (1TB) 7200RPM Western Digital Caviar (Black Edition)
- Blu-Ray Player/DVD Writer (Play Blu-Ray and Burn DVDs)
- H20: (Stage 1) Corsair H60 Liquid CPU Cooler (High-Performance Edition)
- 8GB DDR3 2000MHz (4GBx2 SODIMMS) GTX-8 XOTIC PC Certified