Would this be a good first gaming Pc?

Intel Core I5 2320 3.00Ghz

8GB Ram

1TB HDD

Windows 7 64 Bit

Intel HD 2000 Graphics planning on get GPU but i dont know which one to get looking to paly ARMA 2 Maybe 3 on Min when it comes out 

500 Watt PSU

not really what's your budget and I'll give you something pretty bitchin

 

450$

is the OS and GPU included in that price, if just the case, ram, CPU, PSU, HDD, and Mobo are in 450 and the OS is extra then I have a build for you, I hope that wasn't confusing

CPU

Mobo

Case/ram

GPU

PSU

HDD