the cpu is pretty old and the cpu wont bring out the full performance of the gpu . so consider upgrading your cpu for better gaming .
oh and btw happy new year
Corsair 430W ATX12V is a good chocie ,as you are not planning to overclock and also its not overpriced .
pls provide your budget so that i can help you better.
@Deb_Gamer
Saints row will work on your pc. But Dont expect good performance even at low settings. Most probably you will get fps around 20 ( which is laggy).