which of these is the better option, or better deal? will get an ash catcher no matter what. i would like to not spend a lot but i want something good http://www.grasscity.com/us_en/blaze-glass-premium-percolator-ice-bong-clear.html or blue dot bong: pretty much all i know is that its a blue dot. cant tell if it has a diffuser? i can get this one for $55