No pricing available yet, but I figure you guys would be interested in checking this out as a baseline.
http://www.dell.com/us/en/home/desktops/alienware-area-51-alx/pd.aspx?refid=alienware-area-51-alx&s=dhs&cs=19
* AlienwareTM 1100 Watt Multi-GPU Approved Power Supply
Motherboard
* AlienwareTM Approved Intel® X58 ATX Motherboard
Chipset
* Intel® X58 Express Chipset w/ Unlocked BIOS for Overclocking
Processor Options
* Intel® CoreTM i7 950 3.03GHz (8MB Cache) Quad Core Processor
* Intel® CoreTM i7 975 3.33GHz (8MB Cache) Extreme Edition Quad Core Processor
* Overclocked Intel® CoreTM i7 975 3.73GHz (8MB Cache) Extreme Edition Quad Core Processor
* Overclocked Intel® CoreTM i7 975 3.86GHz (8MB Cache) Extreme Edition Quad Core Processor
Processor Cooling
* High-Performance Liquid Cooling
Memory Options
* 6GB1 and 12GB1 Triple-Channel 1600MHz DDR32
Video Card Options
* Dual 1GB GDDR5 ATI Radoen™ HD 58702 - ATI CrossFireX™ & DirectX® 11 Enabled
* Dual 1.8GB NVIDIA® GeForce® GTX 2952 - SLI® Enabled
http://www.dell.com/us/en/home/desktops/alienware-area-51-alx/pd.aspx?refid=alienware-area-51-alx&s=dhs&cs=19
* AlienwareTM 1100 Watt Multi-GPU Approved Power Supply
Motherboard
* AlienwareTM Approved Intel® X58 ATX Motherboard
Chipset
* Intel® X58 Express Chipset w/ Unlocked BIOS for Overclocking
Processor Options
* Intel® CoreTM i7 950 3.03GHz (8MB Cache) Quad Core Processor
* Intel® CoreTM i7 975 3.33GHz (8MB Cache) Extreme Edition Quad Core Processor
* Overclocked Intel® CoreTM i7 975 3.73GHz (8MB Cache) Extreme Edition Quad Core Processor
* Overclocked Intel® CoreTM i7 975 3.86GHz (8MB Cache) Extreme Edition Quad Core Processor
Processor Cooling
* High-Performance Liquid Cooling
Memory Options
* 6GB1 and 12GB1 Triple-Channel 1600MHz DDR32
Video Card Options
* Dual 1GB GDDR5 ATI Radoen™ HD 58702 - ATI CrossFireX™ & DirectX® 11 Enabled
* Dual 1.8GB NVIDIA® GeForce® GTX 2952 - SLI® Enabled