I'm on beta 5, on a 2009 macbook 15 in, I'm getting great battery life, but i feel like my lap is on fire. ya ya ya i know its not good for the boys down here

I'm on beta 5, on a 2009 macbook 15 in, I'm getting great battery life, but i feel like my lap is on fire. ya ya ya i know its not good for the boys down here but i had no choice!