Lately I've had a ton of free time on my hands at work, so I've been looking at gmt400 parts all over the place... Specifically leather seats near me if I can find them. I've seen those seats listed for anywhere from $200ish all the way up to $500 or so. Do they just want best offer? I'd offer em a couple hundred bucks and go from there. Those look to be in damn good shape given their age. Have that little spot on the driver seat fixed before it spreads, and a long days work with a bottle of Lexol and a tooth brush would have those looking brand new.
If you don't have any intentions with the center console, I'd love to have the lid assembly if it is in as good of shape as it looks.. and would kill for a rear cupholder lol