Well bear with me for a minute.  Maybe this will be useless advice, maybe not.  But some questions...   First, how far out do you plan your trips?  I think it's safe to say that cruisers tend to plan farther in advance than other travelers; it's not uncommon to see people talking about cruise plans two years in the future.     Second, how much traveling do you actually do?  I'm talking about trips where you fly for part or all of the travel, not car trips from Portland to Can