I AM USING FIRST GENERATION I5 PROCESSOR,DH55TC MOTHER BOARD,4 GB DDR 3 RAM,NVIDIA 210M GEFORCE 1 GB GRAPHIC CARD,20 INCHES SAMSUNG LCD SCREEN,I WANT UPGRADE TO 3D WORLD FASTEST GRAPHIC CARD,WHICH SHOULD SUPPORT 3 SREENS,I AM USING WINDOWS 7 32 BIT,WANT TO UPGRADE TO 64 BIT,WANT TO UPGRADE TO BETTER PC FOR GAMING,PLEASE SUGGEST ME THE BEST CONFIGURATION .CAN U SUGGEST ME ONE THE BEST TV TUNER CARD,USING 500 GB HARD DISK,3 FANS,WILL TV BUFFER WITH TV TUNER CARD,512 KBPS,344 KBPS COMIN EXACTLY.PLEASE HELP ME .