Check this site out for the differences by model year.
Toyota 4Runner History 1996 It's pretty complete. That way you can make sure you are getting the options you want.
Other things I'm thinging of, It's difficult not to spill oil when doing oil changes, especially when removing the filter so I'd expect to see some below the filter. Check to make sure if the radio has a code set to get the code. If the little red key shaped led lights up when turned off it has a code set. It's a bit of a pain to get a master reset done.
I guess that's all I can think of at this point. Pretty minor issues.