just ordered a mamas and papas callipso cybex , to replace my bugaboo bee which at 18month my ds has well and truley outgrew , the bee is tiny, and my ds isnt a big baby hes very fine. so has any one got this can they tell me if ive make a good choice or bad ? weight is my biggest bugbear with buggies , hence loving the bee and very sad to let it go. will this live up to it ?