GameXstream is better than the seasonics, and shouldnt be too much louder. To be honest, ill be buying a PCP&C Silencer 610 for 160 bucks
yes folks, a pc power and cooling psu for 160 bucks!! 610W of pure power. Its a killer deal. hahah. It comes with a whopping 49A 12V rail. And 83% efficiency hahaha. Yes yes yes. I am sooo happy.
but yeah, back on topic.
Get the OCZ GameXstream 600W. You will love it to death.