I wonder very much what effect the removal of Saddam and (hopefully) the thorough intimidation of Syria will have on Abdullah's role in the Middle East. After Black September, extreme prejudice against Palestinian militancy must surely be a deep if hidden principle of Hashemite policy. And it's pretty clear that the Hashemites are capable of doing normal business with Israel, even if it's without a lot of affection.
Without two Arab terror states on his flanks, capable of punishing cooperation with Israel, Abdullah might be able to play a constructive role in managing the West Bank Palestinians and even sell it to his people as helping to free them from Israel.
It's also important to remember that a western victory in Iraq will have an effect on the Arab masses as well as on Arab governments - and all the experience we have says it will not be, as the Left says (and hopes), to inflame the "street" and make it unmanageable. All experience is that the street gets less violent the stronger we seem. So Abdullah's domestic dynamics might well be different after the lightning falls on Saddam.