Transitional Fossils?

One of the arguments Intelligent Design theorists such as Philip Johnson and William Dembski put forward as against macroevolution is this. Darwinian evolutionary theory predicts innumerable transitional fossils that connect species to species. ID theorists and others argue that the fossil evidence goes against transitional fossils. For a very good, scientific, position in support of the overwhelming lack of transitional fossils, see here.