Otherwise, an Apple MacBook (particularly the aluminium pro).... they have better designed heat dissipation and lesser need for the large vents and fans that you find on PC laptops.
My three year old Macbook Pro gets so hot it is uncomfortable to use on your lap. My first one fried itself after 3 weeks and was replaced FOC with the comment that Apple had some cooling issues with the Macbook Pro.
Like so many things Apple the evengelical preaching by the converted does not necessarily tally with the reality.