Bulldawg, the first one (kenmore in mathews) looks like the same one I have (kenmore 158.15250 or just 1525) and I love it.
If you can . . . find out the model number and plug it into a youtube search, you might be able too get a full demo like this one.

http://www.youtube.com/watch?v=ZpJUOvUIZCc

I found this very helpful, I hope you do too

Slopes