Ars Technica has published an article that describes some of the possible outcomes of the antitrust lawsuit that AMD filed on Intel last year:

What are some of the possible outcomes of the trial? If AMD can prove that Intel acted in an illegal way to prevent other companies from using AMD products, it might open up avenues for companies that have signed exclusive contracts with Intel (such as Dell and Apple) to utilize AMD chips in their products. This could lead to lower prices for computers, particularly those using high-end chips. However, as companies like Dell are already free to use threats of leaving the Intel roost to gain lower component prices, the savings for the consumer will probably end up being fairly modest. In the long term, however, healthy competition in the x86 processor market requires that both Intel and AMD are able to compete on a level playing field. The antitrust trial will, in theory, help make that possible.