Thanks! I am charging it right now with a 2A wall charger, and it's not scorching hot anymore and stays relatively cool to the touch. I see the battery bar has increased as well, so it looks like it's charging.
Strange, you'd think that using a usb port from a macbook (800mah) should actually cool it down some, since the current is way less than the 2000mah from the wall adapter.
Mine is the opposite, it is cool when used with a 0.5A charger, but with my 2.0A charger it runs too hot (unless it is winter temperatures).