I do G-bongs occasionally when I have a lot of weed (not too often these days) and want to get real fucked up, but mostly I just stick to my glass bowl and regular bong since a G-bong goes through a bowl really quickly and I don't get a chance to truly savor the flavor. Plus with G-bongs you get that plasticky taste which I presume comes from lots of hot smoke slightly melting the inside of the bottle.