I would not be surprised to see some ultra zoom type cameras come out using the new 7MP Sony 1/1.8" CCD at some point. Even though this sensor is larger than the Panasonic 4 and 5MP 1/2.5" sensors, it's smaller than the Sony 2/3" sensors.
So, it may be a good compromise for those needing longer zoom models with higher resolution in a relatively small package (although not as small as existing ultra zoom models for the same lens brightness)..
Of course, this is pure speculation on my part. We'll just have to wait and see.