Cruising is a really inexpensive, stress-free way to travel. After the hussle and bustle of wedding-planning, who can't use a break? Meals and most on-board entertainment are included in one flat rate. And you can squeeze more out of your travel buck by departing from Boston. There are a surprising, and growing, number of cruises that leave right here in Beantown, saving you airfare, tolls, parking fees and, not least, the hassle.