I wouldn't make plans yet, I would wait for an announcement from the park on when they are going to start building. The footings for the new rides have not even been put down yet. I heard something that they were not going to start building until the middle to end of February. The 2 rides should be open by mid-April to run tests and train the operators before the park opens to the public on the last weekend in April.
If you plan your trip late May or later you will be fine, just in case of any problems.
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American Eagle 2001 Ride Operator