I'm thinking about buying percolator bong from bongin.com for my boyfriend as xmas present...http://www.bongin.com/mushroom-percolator-bong/d-70497/....Right now, they have 30% discount coupons I think the price is good but have no experience with this kind of bong... Please help me with your experience and would you be glad to get such present? Im still hesitating...Thanks