Companies are still very cautious because the outlook is uncertain and jobs are an investment into the future. They know that 2006 will be a good year but also expect 2007 to be weaker and that's a reason to keep hiring on hold.
Exports are strong and even consumption is beginning to bounce back. Companies appear to be willing to start hiring again.
Order books are full and people are operating closer to capacity, so that companies are building up employment again.