Summary:
I'd buy another one. Unfortunately for 2007, Sears has dropped this model (with the 40cc B&S Engine) for the 79617 with (looking at the picture) a 29cc Roybi engine. $40 more than the same trimmer with the curved shaft! All kinds of add-ons such as a blower, edger, bush cutter and pruner (tiny chain saw). The book even shows a small snow thrower although Sears doesn't seem to carry that one.

Strengths:
Very quiet, starts easily, cuts great. For me, well worth the price. Runs VERY smoothly and of course, cuts easily. I like the hassle free head. I wasn't sure at first, since you had to stop the trimmer, get a new line, feed it into the head and the go again....the lines last quite a while, so this is NO big deal at all.

Weaknesses:
A bit heavy, but with the shoulder strap, piece of cake!

Summary:
Beats me, I purchased the floor demo and didn't notice that it did not have the spark pulg. I went back to the store and they gave me the run around, they sent me to the Burbank, CA parts store and they ordered the wrong spark plug. Can anyone tell me what spark plug it uses? It didn't come with a manual and I can't seem to get one.

Strengths:
I don't know

Weaknesses:
I really don't know