The desktop PC will begin getting a makeover in the second half of 2004, with the movement creating "tumultuous transformations" in the PC industry, according to a new study. A series of developments are combining to bring about the changes, with most of them centered on the new Balanced Technology Extended interface, said D'Elia. The BTX interface specification provides a flexible standards-based form factor foundation that supports the implementation of new desktop technologies, including PCI Express and Serial ATA. In addition, a move away from the PCI and AGP buses to the single PCI Express bus will come into play, as PC interfaces among processors, memory, and drives will work more efficiently together. Read more: Yahoo News.