My Kenmore417.99680210 has completely stopped working. I've gone through three thermal fuses.

Mine was barely drying as well the past year. In the process of trying to get this problem fixed, I did repalce the exhaust vent and shop vac the inside of the dryer out. Removed a TON of lint.

Now the problem is it dries TOO good. I had five towels dry in two half-hour timed cycles on LOW. I suspect it's a bad thermostat, but won't know for sure until I replace it.

I have a running thread on this over at appliantology.org, but will also follow your progress.