One thing I did was to buy a dual, quad core Opteron server. Then used a smaller and
cheaper workstation for the video via remote X-Windows.
My server is very fast;
My new dual socket server / workstation, Sun X2200 M2
Memory bandwidth is quite high, even though it's only DDR2 667Mhz.
A bit noisy, but it's remote to my home office desk.
If I were to repeat it today, I might buy fast Flash SATA drives instead of 15K RPM
SAS drives.
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Arwen Evenstar
Rivendale, ME