I'd go with thr Asus Rampage II Gene
Chipset Intel® X58 /ICH10R
System Bus Up to 6400 MT/s with QuickPath Interconnection
Memory 6 x DIMM, Max. 24 GB, DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066 Non-ECC,Un-buffered Memory
Triple channel memory architecture
Expansion Slots 2 x PCIe 2.0 x16 support at dual x16 speed
1 x PCIe 2.0 x4
1 x PCI 2.2
Multi-GPU Support Support NVIDIA SLI™ / ATI CrossFireX™ Technology
Storage Intel ICH10R controller
6 xSATA 3 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
JMicron® JMB363 PATA and SATA controller
1 xUltraDMA 133/100/66/33 for up to 2 PATA devices
1 xInternal SATA 3.0 Gb/s port
1 xExternal SATA 3.0 Gb/s port (SATA On-the-Go)
EAX® Advanced™ HD 4.0
X-Fi CMSS®-3D
X-Fi Crystalizer™
Creative ALchemy
Supports Optical S/PDIF out ports on rear
IEEE 1394 2 x 1394a ports (1 port at back I/O, 1 port onboard)
USB 12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
ASUS Unique Features Power Design
- 8-phase CPU power
- 2-phase QPI/DRAM power
- 2-phase NB power
- 2-phase Memory power
Back Panel I/O Ports 1 x External SATA
1 x IEEE 1394a
1 x LAN(RJ45) port
6 x USB 2.0/1.1
8 -Channel Audio I/O
1 x PS/2 Keyboard port(purple)
1 x S/PDIF (Optical)
1 x Clr CMOS switch
Internal I/O Connectors 3 x USB connectors supports additional 6 USB 2.0 ports
1 x IDE connector for two devices
7 x SATA connectors
5 x Fan connectors: 1 x CPU / 2 x Chassis / 2 x Optional
2 x thermal sensor connectors
1 x IEEE1394a connector
1 x LCD Poster connector
1 x Chassis Intrusion connector
24-pin ATX Power connector
8-pin ATX 12V Power connector
1 x En/Dis-able Clr CMOS header
1 x Front panel audio connector
1 x CD audio in
System panel connector
BIOS 16 Mb Flash ROM
Accessories 1 x SLI Cable
1 x External LCD Poster
1 x 2-in-1 ASUS Q-Connector Kit
1 x UltraDMA 133/100/66 cable
2 x SATA cables
1 x I/O Shield
1 x Cable Ties
1 x ROG theme label
1 x User's manual