im new at this so please dont laugh i have a geforce6100pm-m2 mother board i think with amd quad-core phenom 9500 cpu 4g ddr2 ram and an ati radeon hd 4550 gpu 512mb dedicated 2296mb total shared. running win 7 64bit not sure about power supply. what would be the best ram upgrade and best gpu upgrade dont need cpu yet as the one i have is about the same as the i3 so will do for now as i say only been into pc's for about 1-2 months so any help would be gratefully received thanks