Want to build a gaming cpu with max price of 30k...

I have chosen the following parts..tell me if they are correct and compatible .And please suggest me a PSU for these par ts..and also suggest me more parts (including the disk drive)..
Antec X1 cpu cabinet
Gigabyte GA 970A motherboard
Asus HD5450-SL-2GD3-L ATI PCI Express Graphic Card
Corsair DDR3 4GB Desktop RAM
Seagate 1TB Desktop Internal Sata Drive
I also need monitor of size 19.5-20 inch