I installed Steam on my Mac, started download of Portal. It saturated my 15 megabit internet connection for nearly the entire download. Portal launched just f

I installed Steam on my Mac, started download of Portal. It saturated my 15 megabit internet connection for nearly the entire download. Portal launched just fine and ran very smoothly at 1920x1200. I already beat portal on Xbox 360. Mac version is easily as good if not better.