I have a 97 ES300 with 181,000 miles.
Problems so far:
Idle Control Valve: $300
Radio LCD display: $125
Peeling bumper and right rear view mirror: $325
Normal Maintenance:
Replaced struts and mounts: $1100
timing belt (twice): $250 each time
water pump: I forget.
battery, tires, wiper blades
Damage repair
Front windshield damaged due to a sandstorm: $250
Fixed scratches on front and rear bumper: $200
This has been the most reliable and cheapest to maintain car that I have ever had.