I have watched the Autavia GMT since 2000 (seen 15-20 in all), and the majority sold around $750-1000. This $1000+ wave is only in the last 2-3 months; actually its the exception. If you get 2 guys in a pixxing match sure it will go to the roof. But, veterans will know that another will show up for half the price.

I saw at least 3 last year that went for $500-750, 2 out of australia; i think chuck got the other; all were w/bands.

I sold one in July with steel link band for $1050, bought it for $1000 a week before.

So, ebay the great value leveller has pointed out, if you are methodical you can find these at the right price. Dealers do a 100% mark-up ie, the one at artoftime.

I have seen this happen with Flightmaster, Zenith El Primero Blue Sqaure case, and Zenith El Primero Pilot Diver....many double in price for no apparent reason (do a sort on the recent flightmaster NOS's, which are usually $600-800).
But I have purchased/seen all go for $500-800.

That's the beauty of this, no dealer, seller or heavy wallets exter power, its all timing.