Hi mate,
Thats exactly what I thought when I got my stag, lets service the life out of it to keep it sweet for a while dis regarding how many k's its done and whats "apparently" been done before.
Here's what I would be doing to give you a fresh start.
Timing belt, Ilder pulley and tensioner pulley
Water pump if needed
Fuel filter (check the parts thread sticky up the top)
Oil filter (Ryco Z145A)
Fully Synthetic oil (castrol edge sport 5-30w or similar)
02 Sensor
Fresh Coolant
Trans flush
Power steering Flush
New brake fluid
Transfer case fluid
Attesa fluid and bleed
New diff oil F and R
Get a good wheel alignment
Thats all I can think of atm im sure ive missed something and others will add