Need help choosing a computer

I am looking to build a custom PC in which I will use to run several gaming/business servers, and also to game on. I am also an amateur at coding games, so I will be needing a good graphics card, here are the two configs I have so far:

1st Config:
Motherboard: Intel S5520SC

CPUs: TWO Intel Xeons X5690 3.46GHz SIX CORE 12M L3 Cache (will have two on 1 board)

RAM: 96GB Kingston DDR3-1333 ECC

Graphics: NVIDIA GeForce GTX 590 3GB

Sound Card: Creative X-Fi Titanium Fatal1ty Pro PCI-E

Wireless: Asus PCE-N15 Wireless 802.11b/g/n PCI-E Adapter

1st Hard drive: Intel 520 480GB SATA 6Gb/s 2.5inch SSD, Read: Up to 531 MB/s, Write: Up to 315 MB/s

2nd Hard drive: Intel 320 600GB SATA II 2.5inch SSD, Read: Up to 270 MB/s, Write: Up to 220 MB/s

Disk drive: Asus 12x Blu-ray Burner SATA (black)

Case: Antec P193 V3

Power supply: Silverstone ST1500 1500W Power Supply

CPU cooling: 2X Puget Hydro CL3 Liquid Cooling System

Mods: Custom 120mm Side Panel Fan


2nd Config:
Motherboard: Asus P9X79 Deluxe

CPU: Intel Core i7 3960X 3.3GHz SIX CORE 15MB

RAM: 64GB Patriot Signature DDR3-1333

Graphics: NVIDIA GeForce GTX 590 3GB

Sound Card: Creative X-Fi Titanium Fatal1ty Pro PCI-E

Wireless: Asus PCE-N15 Wireless 802.11b/g/n PCI-E Adapter

1st Hard drive: Intel 520 480GB SATA 6Gb/s 2.5inch SSD, Read: Up to 531 MB/s, Write: Up to 315 MB/s

2nd Hard drive: Intel 320 600GB SATA II 2.5inch SSD, Read: Up to 270 MB/s, Write: Up to 220 MB/s

Disk drive: Asus 12x Blu-ray Burner SATA (black)

Case: Antec P193 V3

Power Supply: Antec HCP-1200 1200W Power Supply

CPU cooling: 2X Puget Hydro CL3 Liquid Cooling System

Mods: Custom 120mm Side Panel Fan

P.S. I will be using this PC for Gaming, 3D modeling, but mostly for server hosting, with heavy workloads, so I need your help to decide which one would be best for my needs, My budget is $15,000 so I can afford one of them, the Xeon Config is Priced at $11488.35 and the I7 config is priced at $7856.43, but once again, don't take price into consideration, I just care about performance