NVIDIA plans to eliminate this shortcoming with their new MXM, or Mobile PCI e Xpress Module. AGP) and they usually offer performance that is an order of magnitude greater than anything concurrently available in the mobile market. The video cards used in desktop systems, however, can be easily upgraded because there is a consistent interface standard (i.e. Alienware's parts can't be used in Toshiba's notebooks, and vice-versa. A few companies, like Alienware and Toshiba, have recently introduced upgradeable notebooks, but they each use different standards. Historically, the graphics processors used in laptops / notebooks have been impossible, or prohibitively expensive, to upgrade. We recently had a chance to talk with representatives from NVIDIA regarding a new initiative they've spearheaded, with the goal of bringing a consistent graphics interface to PCI Express equipped notebooks.
