alienware. it glows and has an alien head on it
The trivial gain in weight can be ignored. What's a kilogram or two compared to your body weight after all!
It's especially well thought out considering the price point of gaming laptops. They'll surely be in the budget range if he doesn't want to spent a lot of money.
Finally, as it's a gaming laptop, it's gonna ship with Windows preinstalled. Don't fret though, you can always install some 'nix on it yourself! Battery life is gonna be at least 30 minutes as well without any driver optimizations and you'll always be warm when you use it!
Did I forget anything?
(Disclaimer: I never actually used any Alienware hardware with Linux... So I guess it could be the best Linux laptops ever)