How is $50 35% of $180? That's more like, um, $65 seeing as $60 is 33% of $180.
I thought he wanted a $1500-$2000 PC not a $600-$1000 PC so I went with that in mind and the PC4000 is there for if he ever wants to test the waters with overclocking.
For WIW Drop the DFI, go with the ECS SLI...