"It feels great to be No. 2," says Chief Executive Officer Michael Dell in this AP Online story. Dell has been displaced as the world's biggest PC manufacturer by the combined sales of Compaq and Hewlett-Packard following their merger. Of course, it is not hard to predict that sooner or later, Dell will make it back to the top spot. But since that will probably be governed by the scale of disasters likely to strike HPaq, it is not easy to say when....