I'm at 80,300 and will be changing mine very soon. If you have a trusted mechanic that will do the labor for a good price, you can pick up the belt here for about $40. I think it's $80 from most places.
125.2 FWHP - 126.5 FWTQ SVT exhaust (#4 of 9) - B&M FPR - Custom CAI - bnoon optimized TB #1 & 2 (beat that!!) Black '98.5 SE Zetec MTX Best quote seen in a chat - "Jinx 12345678910 you owe me a naked picture of yourself!"