You won't need a workstation motherboard (Score 1)

NVidia's next chipset for the the Athlon 64/Opteron/Sempron series of processors, the NForce 4, will allow for 2 PCIX-16 slots. Spiffy, huh? So it looks like they will be able to corner the market for the very top end stuff with this in combination with their new chipset. Unless Intel releases a desktop chipset with same capability. Or Via. Or SiS. Or...