"C2D now is simply cleaning up. It is the clear winner in almost every benchmark, so if you are doing AutoCAD, that is the way I would suggest you go."
i was looking at the core 2 duo's actually. but i thought they were the same as the pentium d's that i suggested, just at a higher cost. well, that was based on the idea that they were both dual-core options. to further narrow your suggestion:
http://www.newegg.com/Product/Produc...82E16819115004
or:
http://www.newegg.com/Product/Produc...82E16819115003
would i notice the difference that the extra .27Ghz offers? more to the point would it be worth the extra hundred dollars?