A few questions regarding summoner gameplay

I mained whm throughout ARR but had smn as my go to dps until 2.5 (ninja hype + smn falling behind the curve) I'm looking to get back into playing summoner and was curious about a few things

A) any good 3.0 smn guides floating about? Could prob answer all my questions there. If not then....

B) Do all aetherflow abilities grant Dreadwyrm stacks (whatever they may be called) in lvl 52 smn ATM so I don't have access to all the skils

C) what does the summoner opener look like now? Is tri-disaster used in it or is it more of an ability to use after transitions? Or is it saved for dwt?

D) is Garuda still king?