Your Opinion Is Needed!
Run it drive it whatever, get it warm enough that the fans come on, check for leaks, check fluids again.
This will give you a good indication on the motor and tranny.
Listen for noises why you are driving it, try everything out, power seat if it has one, radio, ect ect.
Long test drive... Listen to all the squeaks/rattles.... Make sure you put it through its paces... Make sure you check the oil, trans fluid... Hell if you got a mechanic with a bore scope, you can even pull a plug and check the cylinder walls... This is becoming more popular now that they have all the nifty little camara snakes.

