http://forums.d2jsp.org/index.php?showtopic=19782009&f=272here a nice guide..
but if you want to be a TANKER guardian.. go all vitality..
if you want to be a healer guardian, go Inteligence..
if you want to be a tanker/ healer, go vita/int (but i prefer putting the first 10 points in inteligence....)