hi.. if anyone can help me w/ buying memory.. i would be soo happy.. here are the specs....Dell Dimension 8200 , Pent 4 , processor 2.0GHz. 512 MB PC800 , RDRAM .. I would like to double the memory .. so another 512 or for some reason my brother thinks i need to get two 256 sticks? .. If you can help I would be greatful.. I am not sure of the pin count.. .. how do i find that out? I dont want to buy dell memory if i can help it.. as it is way too high in price.. or am i stuck doing that?? thankssss..