Buying used/rebuilt transmission

I need to replace the transmission on my 99 Subaru Forester. I have googled used transmissions and am sorting through the results. Any suggestions on a good site or company to trust? I will be having the tranny shipped to me and will be installing it with the help of a talented mechanic buddy.

Many sellers will document the mileage on the tranny. You already KNOW when yours failed…

There are MANY low-mileage engines and transmissions imported from Japan where their laws forbid rebuilding wrecked cars. What would be a minor accident here will total a car in Japan. They can not sell the parts from wrecks in Japan. So they are exported to the U.S. and are usually well documented. Nice, low mileage units, clean, strapped down on a skid and sealed in a heavy plastic bag…