I first discovered lifefactory products when I was looking for a bottle for the lil’ bean. We try to be environmentally friendly and health conscious where possible and was looking for a product BPA free. Lifefactory launched with BPA free glass baby bottles with colourful silicone sleeves (the colours are a big plus). You can get sippy caps to put on the bottles when your little one moves on to that stage. They now also do BPA free glass beverage bottles, which I bought (became slightly obsessed with the whole glass bottle thing). Lifefactory bottles are quite hard to find over here at the moment but they are in the process of sorting out a new UK distributor.
http://www.colourfulbabyworld.com/ (have a selection of lifefactory baby bottles).