Need an advise to upgrade my PC:

[Budget] < RM 1500

[Purpose] Gaming

[Hardware that will be reuse from old rig] 1TB HD Drives, DVD player, GC GT 430
--> Currently use 350W PSU (Should i upgrade it?)

[Monitor resolution] Not needed

[Game or software that use frequently] FarCry, Dota2, Crysis, etc

[Personal Preference Brand] None

[Location] KL