Need advice on Tranny price

Well after loving a broken tranny for several weeks, it finaly just went out all the way.

im in the market for a Automatic tranny for a I4 (5sfe)(93 Camry). Now I dont want to be , lets just say taken advantage of. So what do you guys belive would be a fair price for me to find a used working trany?

any advise coments, welcomed.

lalo