GameSpy played a wee bit of Fallout 3 at E3, but with such a sprawling wasteland and a dense population of mutants and survivors 15 minutes just isn't going to give you a decent taste of what the game has to offer. You know what? Neither is an entire hour. Still, that's what they got today, and their brief brush with Fallout 3 hinted at a staggering breadth of content contained within. Of course, as a post-apocalyptic adventure, quite a bit of that content is ruthlessly bloody.
Tremendous amount of content evident from just a brief sample; the flamethrower is awesome.
Nothing short of an entire day could really give GameSpy any feeling of satiety; glowing ghouls.