The species is definitely found in Fiji. Reefarmers talks about importing them from Fiji in '03. You may be right though, I'm not sure how regularly they are imported.
I should have been more clear. By
'looks like' I meant it looks similar to. I don't think you should settle on the ID just yet. There are a few features of your coral that look different. The thickness of some of the corallites looks pretty different from
A. microclados. A closer image of a growth tip would be helpful.
As Kevin Kohen describes the species;
"They sport very distinct, tubular-shaped axial and irregular tubular-shaped radial corallites that taper on the ends"
It was this unique tapering that made me think of the species.
http://www.reefsmagazine.com/forum/reefs-magazine/82592-awesome-aussie-acropora-kevin-kohen.html