Here's some information about a new Intel 975X chipset based motherboard from Asus. The Asus P5WDG2-WS motherboard supports the Pentium D and Pentium Extreme Edition 955 dual-core processors and is made for high-end computer and workstation users.
More info at VR-Zone.
Intel Pentium Processor Extreme Edition 955/Pentium D/Pentium 4/Celeron Intel 975X + Intel ICH7R chipsets Front side bus 1066/800MHz 4 x DIMM, max. 8GB, DDR2 800/667/533, ECC and non-ECC un-buffered memory 2 x PCI-E x16 (Dual graphic running @ x 8 speed), 2 x PCI-X, 2 x PCI 2.2 Dual Gigabit LAN 8 x Serial ATA 3 GB/s ports 2 x IEEE 1394a 8 x USB 2.0 ports