CAD starter kit buying in one week (US)

Will buy from newegg:
CPU: Core i3 2120 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
MOBO: ASUS Z77 sabertooth http://www.newegg.com/Product/Product.aspx?Item=N82E168...
PSU: Rosewill capstone 550w http://www.newegg.com/Product/Product.aspx?Item=N82E168...
MEM: Corsair Vengance (2) 4gig ddr3 1600 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Case: Corsair 550D http://www.newegg.com/Product/Product.aspx?Item=N82E168...
OP SYS: win 7 64 bit OEM
CPU fan: coolermaster hyp 212 plus http://www.newegg.com/Product/Product.aspx?Item=N82E168...
DVD burner: asus 24x http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I have:
EVGA GT 520 2 gig DDR3 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
HD: (1) WD cavair black 1T 3 gig per sec.
Mouse and keyboard
23" HP monitor

This will be a starter computer so I can later put a i7 and a AMD firepro 5900 graphics card in. I know the i3 doesnt need the 212 but I want low noise. Not going to overclock or heavy game just 3D CAD stuff, internet, photoshop... any thoughts?