New 3d graphic computer

Looking to build a new 3d graphic computer. Just needing your advice on the hardware set up and if it can work well and fast with the programs being used on computer, Photoshop, Premiere pro, Atlantis, Archicad and Maya.

1. Processor
Intel S1366 Core i7 950 3.06GHz Quad Core CPU
3.06GHz Quad Core, 8MB L3 Cache, Integrated memory controller, Triple Channel DDR3, LGA1366 Socket

2. Motherboard
ASUS S1366 Rampage II Extreme Core 2 Motherboard
DDR3 2000 Triple Channel, 3x PCIe 2.0 x16, SATA 3 Gb/s RAID, Dual Gigabit LAN, SupremeFX X-Fi Audio.

3. Graphics card
Gigabyte GTX 285 1GB PCIe Video Card GTX285
NVIDIA GeForce GTX285 GPU, 1GB 512bit DDR3, 648MHz Core, 2484MHz Memory, PCIe 2.0 x16, DVI, (PN N285UD-1GH)

4. DDR3 Memory
Kingston 8GB (4 x 2GB 1600MHz

5. Hard Drive
160GB Seagate 7200rpm 8M Serial ATA HDD - program files
1TB Seagate 7200rpm 32M Serial ATA HDD 24x7 - data files

6. Case
Coolmaster CM 690 PURE

7. Power Supply
Thermaltake toughpower 1200w

Thank for all your support

dino