Which one is d Best for Cad and 3D apps:Quadro/7950GX2 ?help

Can someone help me to decide which one of the following video cards is better for my needs (90 % using with Autocad 2007, sketch Up pro, 3D studio max and other 3d apps, 10% using for games and others): As far as I am concern and was told the QUADRO series are the best !!! but is it really true when comparing the aside ?

For the same price i could get

NVIDIA Geforce 7950GX2
Memory Size 1GB
PixelPipelines 48
Memory Interface 512-bit
Memory Type GDDR3
http://www.newegg.com/Product/Prod [...] 6814170103

OR

Quadro FX1400
Memory Size 128MB
PixelPipelines 8
Memory Interface 256-bit
Memory Type DDR
http://www.newegg.com/Product/Prod [...] 6814133142

HELP....????/ Which One ??? Any suggestions welcome !!!