They all delivered what Professor Christensen labeled "disruptive innovations," as opposed to "sustaining innovations," improvements to make top-of-the-line products even better.

If you don't want to pay professional prices, there is midrange software that offers a set of features that fall between the basic program and the top-of-the-line product.

Do you want the top-of-the-line product?

In 1983, the Hammacher Schlemmer Institute was created as an independent but affiliated branch of the company, whose purpose is to comparatively test top-of-the-line products.

Only the latest, top-of-the-line products go into the dream home.

The only difference between baseball and Bloomingdale's is that baseball doesn't mark down its top-of-the-line products.

The Parker Vacumatic fountain pen was launched in 1933, displacing the Duofold as Parker's top-of-the-line product.

The pen remained Parker's top-of-the-line product until the launch of the 51 in 1941, but remained in production until 1953.

And, yes, Gillette plans to charge 35 percent more for it than for its previous top-of-the-line product, the Sensor Excel.

Older audiences tend to pick only a few, and they want the top-of-the-line product.