Serial X-fi Mb Will These Parts Work Together,and Are They The Best Money Can Buy?

Will these parts work together,and are they the best money can buy? - serial x-fi mb

Case
Thermaltake Armor + Gaming Case w/420W Power Supply
Case Lighting
Cold Cathode Neon Light
Power Supply
1200 Watt - Thermaltake Toughpower W0156RU Power Supply
Processor
Intel Core 2 Extreme Quad Core QX9650 (4x 3.0GHz/12MB L2 Cache/1333FSB)
Processor cooling
Thermaltake MaxOrb CPU Cooling Fan System Kit
Motherboard
EVGA nForce 780i SLI with 7.1 Sound, GB LAN, S-ATA RAID, USB 2.0, 3-Way PCI-E MB 3-Way SLI Memory
4 GB [2 GB X2] DDR2-1066 PC2-8500 Memory Module
Graphics
2x NVIDIA GeForce GTX 280 1GB w / DVI + TV Out Video - running SLI mode
Hard Drive
Gaming Hard Drive [Serial ATA-300, 10,000 RPM] WD Velociraptor WD3000GLFS 300GB HDD 16M Cache
2. HDD
1.5TB Hard Drive [Serial-ATA II 3Gb, 7200 RPM, 32M Cache]
CD-RW/DVD-RW Drive
LG GGW-H20L Blu-Ray Re-Writer & DVD ± R / ± RW combo drive
Sound Card
Creative Lab Sound Blaster X-Fi Platinum Fatal1ty Champion Series
NIC
Killer M1-Online Gaming AccelGoal - w / 400Mhz Network Processing Unit + Lag & Latency Reduction Technology