GekkoGo (Bismarck) is pretty much capped on most gear and is now selling any and all items from Abyssea.
Major Atmas 750k (VV, RR, MM and etc)
Lesser Atmas /tell for price (Beyond Etc.)
Just to name a few~
Goading belt 2.5m
Hero's Galea 750k
Ace's Sabatons 750k
Eradico Mitts 500k
and etc. Pretty much 750k for most items. /t in game or PM on ffxiah for more details.