Get 2x4 gig and later if you need it upgrade with another 2x4 gig. 8GB of Ram is more than enough (unless you want to start to do Video editing)
Cool. That puts it at $1478. If they take out that drive, it would drop closer to $1400.
I swear I know what most of this stuff is. I just have no idea how they interact or how to get the best bang for the buck.