new CAD machine

It's time for a client to get a new engineering machine, maybe 2. Th last one i got them was asus mobo.. can't remember the model.
opteron 14 quadro fx100 10k rapto
what i need to know.. is ..
what would be a good configuration for a new CAD machine.. what is the next generation for opteron.. ? or is there maybe dualcore Athlon64 X2 4200 in a S939 nforce4 and a mobo for that next gen. chip with pci-e i guess no point is SLI.. just get a pci-e mobo.. hard drive-- would the sataII be faster than the 10k raptor? i thin so.. trying to stay away from scsi.. too costly .. can get a bette vid card. and for vid. PNY NVIDIA QUADRO FX3400 PCIE 256MB DDR3 DUAL DVI seems to be the bes for the buck that my supplier can get..
Solidworks is what the client uses mainl
any input would be greatly appreciated.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Definitely socket 939 dual core AMD64. Dual raptor drives set up in a RAID array.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.