What is the serial number?
Are the cable guides rivited on (I can't quite see from the photos)?
Does it have a press fit BB that is about 80mm wide?
And are the rear drop-outs smoothly filleted into the stays?
I'm asking as I've an Aluminium Gary Fisher Supercaliber from from the same era that's in an even worse state than yours: http://www.retrobike.co.uk/forum/viewtopic.php?t=33875
and while it has 'made in the US' and the American flag on it, I now believe it was made in Taiwan by the Fairly Bicycle Corporation alongside Redline AL60s, amongst others, and to me it looks quite similar to yours.
Here is some interesting (if true) reading about the origins of some bikes: http://allanti.com/page.cfm?PageID=328
Certainly makes you think.
oh and before I forget - darn nice job of putting it back together - I only hope my restoration(ish) ends up looking as nice - I've still got a lot of work to do yet though.