Probably don't need the third party cooler being as it's a locked processor. The stock should be fine if ambient temperatures aren't extreme in your location.
Not sure what exact price you are paying for the PSU. But on your link it shows $99. You can get significantly better PSUs for less from what I've just check for US prices
Power Supply: SeaSonic - FOCUS Plus Gold 550 W 80+ Gold Certified Fully Modular ATX Power Supply ($51.98 @ Newegg)
Total: $51.98
10 Year Warranty.