TechwareLabs has published an editorial about CUDA, What Is It and What Does It Mean To You?. Here's a clip from the editorial:
Do you want to be able to destroy walls and floors in realtime? Want to experience in game realistic physics and accelerate your computing software like MATLAB? CUDA may well be your best bet. The good part is that all 8000, 9000, and 2xx series Geforce cards can utilize CUDA with little more than a driver update. What is CUDA and what can it do for you? Read our short editorial to find out.