I agree with f-mattox.
If you book based on price alone, you will end up with an inside cabin with no view, and claustophobic(sp?).
I for one would rather stay home than spend one or two weeks in an inside cabin. Believe it or not, you do spend a lot of time in your cabin, and that should be your first priority after picking your cruise.
My wife and I alaways book a mini-suite and have never regretted it. Obviously more money, but what the h...That's how you get to enjoy your cruise.