the meaning of 9/3, 7/2 amazon speeds

[adeyke]

For most calculations, IAS on the weapon is the same as IAS on other equipment. Whirlwind, however, gains no benefit at all from IAS on non-weapon equipment (OIAS). And weredruids get some benefit from OIAS, but WIAS is more important. These are just some examples. Fanaticism's attack speed boost is different from IAS because it's not affected by the diminishing returns formulas, or something like that. The Weapon Speed Calculator is useful.