Oh, sweet journalistic irony: Forbes releases its list of the country's most expensive colleges, and MarketWatch reports on a Sallie Mae survey released today that finds that, on average, families have saved $48,367 for school by the time their kid leaves for college. (Though, disturbingly, 24% of parents use funds from their retirement accounts to hit that number). How does that stack up to the actual cost? The priciest institutions (figures include annual cost of tuition, room, and board):