Hi i am new to this.Ive bought myself a Sapphire 1gb gddr5 radeon hd 4890 card and using a amd athlone (tm) 64 X 2 dual core 5600+ 2.81 Ghz with 4 gig ram and 450 watt power supply.operating on vista premuim 32 bit.I live in kimberley and want expert advise.What do i have to add to this card to make it better graphics than my xbox and ps3.Ive got a samsung lcd 39 inch television.My pc screen is a Syncmaster 2033 lcd 15000:1 dynamic contrast screen.I want great graphics.Any info please got about R 4000,00 to spend but would like to spend less for the best value