Work those windows. Notice if they slow down going up and if they tilt doing it. They are a subborn problem for many of us.
Check radio/cd player.. bring some cd's you dont mind losing
Take a long drive.. streets, freeways. Different speeds. Listen carefully for odd sounds- grinding, whining.
Carefully inspect the hood inserts for beginnings of cracks.
Check inside of rims for flaking of chrome.
Make sure alarm and locking door mechanisms work with key fob.
I would check the 4 low if you have any ideas of taking it off road. Check it anyway.
Did you do a Carfax on it? Get one - it might help to know the history of the vehicle although not all accidents can show up.