I just replaced my thermistor, thanks to your information.
It was very easy. I'm not that great with appliance repair, so if I can do it, anyone can. I had the help of a neighbor, and it made it a bit easier, but I think it could be done by one person pretty easily.
A couple of tips:
1. While there is no repair manual listed as available, when I took off the back panel and the top panel of the dryer, I found that there was a manual in a plastic holder on the inside of the dryer box! It had all the information you need to do this repair, and even gives test processes. Maybe I just got lucky, but it's worth the half hour to take off the back panel and top panel to check.
2. To get to the part, take off the front kick plate.
4. Once the kick plate is off, there is an oblong plate that has to be removed. It's right in front: the first thing you see.
5. Once you have that plate off, the thermistor and thermal fuse are right there. It's a little tight in there, and a small ratchet is needed to remove the screws easily.
I went ahead and replaced the thermal fuse while I was in there. I found the parts at my local ***** parts and service center. The thermistor was $18, and the thermal fuse $12.
This fixed the problems I was having (dryer would stop and display the E1 error code).