Actually, the Israelies only have the military power that they do because of support from the US. The country wouldn't exist without our foreign aid. I wish I had number to back it up, but from what I understand, their entire country would collapse if we pulled out.
But I do agree that a world war probably won't start there, but there will be a world war. Remember when people thought that the machine gun would end all wars because of its efficiency? Yea, then came WWI, WWII, and the rest of the regional conflicts.
As of now, it will be China. They are as parinoid as the Soviets, but they don't seem to get it that we don't fight unless provoked. There are some in China who want a war. Not yet mind you, they have 5 year plans for a reason, but if they could have their time table, it would be in the next decade or two.