On Thursday, the same day that AMD unveiled – early – its 4800 series of cards (because some etailers were already selling the card), NVIDIA decided it just had to unveil its own new card, as well as some other good news.NVIDIA’s new card is the GeForce 9800 GTX+ GPU, an overclocked 9800 GTX, but really the 55nm refresh of the G92. NVIDIA increased default clock/shader speeds: from 675MHz to 738MHz and from 1688MHz to 1836MHz respectively. Memory speeds for this card will be 1100MHz, similar to the existing