i think baby bottle depends on whether you want to give breastmilk/breastfeed or formula? If breastmilk also depends are you using breastpump or not? This is because for ease of use in long term. I've bought Avent full set from breast pump, bottle to storage. Its convenient for my wife & also easy for her to use....the problem is that my baby likes breast feeding more than the bottle feeding...haha.

Regarding the avent leak is for old model...the new model no longer leaked. So make sure buy new model/stock bottle not the old one.

That's the hard part must see what year is the box.The new box kinda different I forgot which year model have the leak problem. Try google it in the internet. The best thing is buy from reputable seller or shop coz most of the time they will sell the newer stock.

here's a link if ur avent bottle's leaked

http://mecrunchy.blogspot.com/2008/01/solu...ottle-leak.html

It doesn't matter which colour, PES or PP bottle coz both are good quality bottles. PES(yellow) is more expensive than PP(white) bottles becoz PES bottles are more durable. I have both bottles. How many bottles depends on how much milk ur child drinks & also whether ur alternate it with breast feed. For me i have 2 4oz & 2 9oz bottles. at home 2 another 2 at nursery. We seldom use the bottles at home coz my the baby prefer breastfeed rather than the bottle feed.So its kinda waste. I recommend to buy at least minimum 2 bottles first...u can always buy more if u need it. Do buy from store like mothercare or reputable seller to avoid from the infamous avent bottles leakage because if the product is faulty u can always return it back to the seller but i sincerely doubt the old model is still in the market.

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Added on December 14, 2011, 9:31 amMay i know where & when did u bought ur bottles? Is it PES or PP bottles. Have u tried to return back to the seller?

This post has been edited by Malaun: Dec 14 2011, 09:32 AM