hi. this is my 1st time here in tom's, one i would like to know, is there a compatibility between highend graphics card and crt/lcd monitors? thinking of buying highend graphics card with nvidia chip, such as 7900gtx, any suggestions will be greatly appreciated, which monitor should i buy, crt/lcd, is it right to stay with crt and then just have 21" screen or an lcd with 17" monitor, tnx!