From Wired:
Let us praise the joys of double-wielding a pair of Uzis with unlimited ammo; let us delight in the gorgeous fractal carnage of a rocket launcher as it slams into your target. Let us talk openly about how just totally awesome it is to grab a fully loaded railgun in Quake 4 and wade into a mass of gibbering Strogg aliens and kill and kill and kill again, until there are guts on, like, the ceiling.
Here.