Building a Editing Desktop ? Where do most folk start ?

Where do most folk start ?

Rough Spec list , any thoughts ?

1. Intel 3rd Generation Core i7-3770K CPU (4 x 3.50GHz, Ivy Bridge, Socket 1155, 8Mb L3 Cache, Intel Turbo Boost Technology 2.0)
   
2. Corsair 8GB 1600MHz CL9 DDR3 Vengeance Memory Two Module Kit x 2
3. ASUS Sabertooth X79 LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
4. Kingston SSDNow V300 120GB 
5. Western Digital Caviar Black 1 TB SATA III
6. EVGA GeForce GTX670 FTW 2048MB GDDR5 256bit,

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http://www.davekaipiper.co.uk/blog