Originally Posted by
greggwiggins
Whether you'd think it's better depends on what you like in a beer. Dogfish Head's 90-Minute IPA has more alcohol and more hop bitterness than the 60-Minute version; the progression goes something like, 60-Minute is an IPA, 90-Minute is an Imperial IPA, 120-Minute is ridiculous overkill.
They also use a Randall to accentuate the hop flavor in their beer. Other beers like Pliny the Elder from RR don't need this to achieve the same hoppiness.