User blog comment:Rapacious/Rapacious's sexy guide to understanding ranged AD builds/@comment-131.174.224.196-20120201222441/@comment-68.92.149.233-20120202032014

You're calculating AS wrong. +55% AS isn't going to increase your DPS by 55%. It's going to increase your damage by around 30-40% at most, and probably significantly less on anyone with a decent AS steroid (most carries).