Welcome to the Forum. Mind telling us what your purposes are for this computer please? For the Graphics card, id stick to well known names like, ASUS, EVGA, Saphire, HIS, etc. Also heres the same version of Windows 7, just cheaper.
Newegg.com - Microsoft Windows 7 Home Premium 64-bit 1-Pack for System Builders - Operating Systems
And for the PSU, the antec should be good to my knowledge, however it seems most like to stick to corsair atm, they are doing really well lately.