User blog comment:Axle1993/Holy Crap! $$$/@comment-3561569-20110517183737/@comment-1906486-20110518121620

You do know Utility = Advanced in terms of speed loss right? 3 vs 2 slot at the same -5% Speed loss

Having the Utility for NX will ensure a 90D duration regardless, while GP it's 1-90D since I do buy it with GP at my rank. :P