One of the renderosity members ran into a major problem with SLI: you can't use multiple monitors. In short - save yourself the money and the hassle.

As for WinXP64 and Poser 7: runs fine and fast, no trouble at all. Poser will use no more than 4 cores, and that only in the main rendering phase (after shadow map calculations and object/texture loading). If your scenes are computationally heavy (complex raytraced reflections, blurred raytraced shadows), 4 cores will have a significant impact on render time vs. 2 cores. More than 4 cores is not needed.

Poser 7 will not use more than 4 GB of address space.

More than 4 cores only means that other processes will not be slowed down by Poser. You will not see any difference in render times for Poser itself.

I just built myself a new system:

• Abit A9Pro mainboard (€ 79) with Intel P965 chipset, 2x GB Lan, 10 (!) SATA ports, 2x FireWire, 10x USB, 3 RAID controllers
• Intel Q6600 Kentsfield quad CPU  (€ 219), not overclocked, so running at 2.4 Ghz 
• 4x2GB GEIL DDR2-800 (€ 150)
• Zalman HE600 PSU (€ 85)
• nVidia 8800GT graphics card with 512 MB RAM (€ 199)
• 2x Samsung SpinPoint 500 GB SATA II drives (€ 170)
• Optiarc DVD +/- RW dual layer (€ 20)
• floppy drive (€ 10)
  and an older system case that I still had lying around (about € 30 when I bought it).
  Total: around € 960. And blazingly fast.
  Caveat: the Abit mainboard comes with an outdated BIOS, you have to flash it right away before even trying to install an OS.

For Poser 7 and Vue 6 Infinite, this machine ROCKS.

The pen is mightier than the sword. But if you literally want to have some impact, use a typewriter

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