Do everything you can think of. Not only because of the miles but being you just bought it having a maintenance starting point helps out down the road. You'll know exactly what was done and when.
If you purchased from a dealer they probably did an oil change but check to make sure. Other than that check and/or replace plugs, air filter, flush coolant, change gear oil in front/rear diffs, tranny filter if an auto, drain and refill transfer case, lube front-end zerks, check brake pads and rotors. I'd also check the install date of the battery and clean the terminals then spray anti-corrosion gunk on there...but that's me. The last thing you want is having a six year old battery in there and not know it.
*EDIT* What he said^