I'd still be inclined to think that age plays a greater factor then mileage to some degree. I say this because my water pump impeller went at 40000miles on my 95. This was last Janruary. For the cost think of it as peace of mind doing it now. Cause it will go only at the most annoying time.

Green 96 mystique gs 4cyl mtx 16.9 in the 1/4 mile @102500 miles 95SE in Midnight Red MTX MSDS headers and y-pipe SVT exhaust SVT UIM Optimized se TB. Full pre 98 SVT body kit 15.741 @ 87.73mph :)