Check out our advertisers...with one email, cut and pasting to many of them, you will get all the info back quickly, that you need to make a decision that fits your needs....
Don't forget, especially with a cruise of this length, how important travel insurance is. A dedicated cruise travel agency, is your best bet to get the best price, and information. You want to get the best value,and also want to get matched up to the best cruise line for your interests. Granted, the amount of ships offering this length of cruise is small, but, your onboard activities,and options for this lenghty cruise, would determine your 100 happy days
Have fun deciding!