nVIDIA's GeForce 6 series covers just about the whole graphics market now, from top of the range SLI systems through to the lower-end of the scale. The GeForce Go 6200 and 6600 complete the mobile market. They will make use of TurboCache technology to allow reading and writing of system memory by the GPU, meaning the chip itself requires less graphics memory. Couple that with some nice power saving features and you've a very good reason to play Half-Life 2 on the move. HEXUS.net have an analysis of the product launch.