The "new" Breakers is about 5 years old and are VERY nice. The "old" Breakers are OK, but you have to ask yourself, does the price difference justify the quality? I usually stay in one of the suites in the tower section on the lakeside. But I also have 6 people go with me all the time and we split the price.
Remember, it is only a hotel room. You will end up spending the most of your time in the park.
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The best thing about Six Flags "Worlds of Adventure" is that Cedar Point is nearby!