Today NVIDIA launches their new GeForce GTX 570 graphics card which is based on the new more power efficient Fermi technology that we saw on the GTX 580, too. ASUS' GTX 570 is a full reference design implementation, the only difference is a small clock speed increase of 10 MHz.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips