Its not worth getting, 2 people at my work got screwed over with there. One guy had his AC system go out in the middle of summer, they wouldn't come out until 30 days. So he paid and fixed it and sent them the bill, they told him to screw himself since he didn't use there people. The other guy had some plumbing issue, i forget the whole story but it took them forever to come fix it and even then they half assed it and he ended up having to hire someone else to fix it right.
After hearing those stories when I bought my house I opted for no warranty and I figured i'd handle it all myself. And besides, it a newer house (built in 2003) so no major problems SHOULDN'T occur anytime soon. I've had good luck so far...
