or, you could try xgrid. I would love to see someone put something like this together in a sweet mod.

http://developer.apple.com/hardware/hpc/xgrid_intro.html
_________________________
"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
Mac Pro Quad 2.66 - 4GB RAM
160 GB SATA RAID 1 - 650 GB Storage
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Accessorized to the Hilt