I have definately gotten my money's worth when I bought my '07 and got the extended warranty.
However, because this is the newbie check-in area, you may not get the answers you are looking for. I suggest you check out this forum area and post your questions there, I think you'll get a better response.
JK Jeep Wrangler Forum - Jeep Wrangler Forum
In the mean time, I just like to say . . .
Welcome to the forum!