I wouldn't hesitate to fly a 150 or 152 with 5 digit hours. 6 digits, even (of course it has to be properly maintained...)

Jeff Hersom
N3740J '67 150G "Gremlin"
N8634S ‘66 150F/150hp “Rusty”
Hangar W-6, Helena Regional Airport
Places I have landed Gremlin:
[Linked Image from visitedstatesmap.com][Linked Image]