st3400620as

I'm going to buy a new PSU. My current one is of 230W and my config is given below. tell me what rating PSU would be optimum for my rig and which company should I go for,price too if possible. Place I'll be shoping from is Nehru place. Intel Core2Duo E6300 Asus P5LD2-VM SE (945Mobo) Kingston...