It will be hard to get what it's worth in today's economy.
Even where there is money, like where you live, the conditions are such that it will take a concerted effort to find the market for a decent price for your machine.
There have been non-PS machines, but certainly with more use, up for sale before for 1/4 of what they cost new.
You have a very desirable unit considering its age and so on.
Just remember the 7900 is going for a considerable discount if you look
I'd buy your machine but these are the toughest times economically I've ever personally experienced
Write to me if you're at all inclined to barter, trade etc.
I'm not too one dimensional and have a lot to offer in the right context