Which video card should I buy to get the best performance from the BrainVoyager Surface module?
The Surface module requires a hardware-accelerated OpenGL video card with at least 16 MB of on-board graphics memory (32 MB or more is recommended). Currently the best price:performance ratio is provided by video cards which are based on the NVIDIA GeForce4 chipset, and you can get a solution based on the entry-level GeForce4 MX series from as little as GBP75 (about US$100). If you have an older video card, you may be able to improve the performance of the Surface module just by updating your OpenGL drivers.