Certainly a further ten flying within the next two years is not an over optimistic estimate.

But the results were below the most optimistic estimates, and its stock price fell.

An optimistic estimate, perhaps, but he had pushed the team for all they were worth.

Later he would realize what an optimistic estimate that was.

The prices however fell far short of the most optimistic estimates.

Under the most optimistic estimates, construction would begin in 2009 and last at least four years.

He said some of the more optimistic estimates for when the Asian crisis would end range from 18 months to three years.

Even so, he said, using a more optimistic estimate "might not necessarily be wrong."

Today the most optimistic estimates put the number at 2,000 to 3,000 out of 6,000 to 7,000 in the world.

The most optimistic estimates put this time at around 2010.