[centizen]

I can corroborate; I have the new 15", 2.6Ghz version and spent the weekend before last playing Civ while travelling. With the brightness settings on low, native resolution and all game settings on low, it took 1 hour and 26 minutes for it to go from 100% to shutting itself off.

I was just as surprised as you are. The laptop got uncomfortably hot as well. I was very disappointed and had to purchase an inverter on the road to use my adapter.

[zaphoyd]

This is nothing new though... Every laptop I've owned (including many PowerBooks and MacBook Pros) has gotten about 1-2 hours when playing a game that maxed the GPU and CPU. How does a ~80-100Watt hour battery get more than 1-2 hours of running a ~40-50W CPU and 30-40W GPU? Physics says no.

[centizen]

I'd be more inclined to agree with you, if my last MacBook has compatible performance. I got easily double the playtime out of my MacBook Pro Retina.