I hav intel core 2duo 2.2ghz, ram2gb(dula channel),8400gs 256mb gcard,asrock 945g-dvi board, creative 2.1channel sound box, dataone 2mb/s 500 home plan. my prob is my monitor,its 15'' lg crt. do u tell my which tft i hav 2 upgrade.price under 9000/-.