I was about to ask the same thing, what ship to where? I am guessing it is the Star as it comes back to the LA area. Is it a good deal, sounds fair, but I wouldn't say great: will the price drop more?, maybe and maybe not; if you dealing with an online agent, which I think you are: will they let you know if there is another price drop? probably not. Does this include the $10 a day, no way!!!!
If you are happy with the price, go ahead and book it, don't keep wondering what if I had waited? If you have doubts check a little further. I would give a major TA specializing in cruises a call before deciding.